| Base | Representation |
|---|---|
| bin | 100001100010000… |
| … | …0101001000000000 |
| 3 | 2220102011012002110 |
| 4 | 1003010011020000 |
| 5 | 4301014034130 |
| 6 | 303351415320 |
| 7 | 36611362260 |
| oct | 10304051000 |
| 9 | 2812135073 |
| 10 | 1125143040 |
| 11 | 52812868a |
| 12 | 274984540 |
| 13 | 14c145018 |
| 14 | a96057a0 |
| 15 | 68ba0ab0 |
| hex | 43105200 |
1125143040 has 160 divisors (see below), whose sum is σ = 4110986880. Its totient is φ = 257163264.
The previous prime is 1125143029. The next prime is 1125143059. The reversal of 1125143040 is 403415211.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1125142998 and 1125143016.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43296 + ... + 64224.
It is an arithmetic number, because the mean of its divisors is an integer number (25693668).
Almost surely, 21125143040 is an apocalyptic number.
1125143040 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 1125143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055493440).
1125143040 is an abundant number, since it is smaller than the sum of its proper divisors (2985843840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1125143040 is an equidigital number, since it uses as much as digits as its factorization.
1125143040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20962 (or 20946 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 1125143040 is about 33543.1519091453. The cubic root of 1125143040 is about 1040.0859889453.
Adding to 1125143040 its reverse (403415211), we get a palindrome (1528558251).
The spelling of 1125143040 in words is "one billion, one hundred twenty-five million, one hundred forty-three thousand, forty".
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