| Base | Representation |
|---|---|
| bin | 111110000111011… |
| … | …000001010111000 |
| 3 | 2200121221020210220 |
| 4 | 332013120022320 |
| 5 | 4113240341100 |
| 6 | 251224140040 |
| 7 | 34552612545 |
| oct | 7607301270 |
| 9 | 2617836726 |
| 10 | 1042121400 |
| 11 | 495283261 |
| 12 | 251007620 |
| 13 | 137b974a8 |
| 14 | 9c593bcc |
| 15 | 61751aa0 |
| hex | 3e1d82b8 |
1042121400 has 96 divisors (see below), whose sum is σ = 3236578560. Its totient is φ = 277383040.
The previous prime is 1042121341. The next prime is 1042121407. The reversal of 1042121400 is 41212401.
1042121400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1042121400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042121407) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408529 + ... + 411071.
It is an arithmetic number, because the mean of its divisors is an integer number (33714360).
Almost surely, 21042121400 is an apocalyptic number.
1042121400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1042121400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618289280).
1042121400 is an abundant number, since it is smaller than the sum of its proper divisors (2194457160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042121400 is a wasteful number, since it uses less digits than its factorization.
1042121400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3245 (or 3236 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 1042121400 is about 32281.9051482406. The cubic root of 1042121400 is about 1013.8478194022.
Adding to 1042121400 its reverse (41212401), we get a palindrome (1083333801).
The spelling of 1042121400 in words is "one billion, forty-two million, one hundred twenty-one thousand, four hundred".
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