| Base | Representation |
|---|---|
| bin | 100101011010010… |
| … | …1101100100011000 |
| 3 | 10020111010110221020 |
| 4 | 1022310231210120 |
| 5 | 10032331111440 |
| 6 | 324322042440 |
| 7 | 43052101260 |
| oct | 11264554430 |
| 9 | 3214113836 |
| 10 | 1255332120 |
| 11 | 594669669 |
| 12 | 2b04a9420 |
| 13 | 1700c8893 |
| 14 | bca147a0 |
| 15 | 7531a3d0 |
| hex | 4ad2d918 |
1255332120 has 128 divisors (see below), whose sum is σ = 4358707200. Its totient is φ = 283286016.
The previous prime is 1255332119. The next prime is 1255332121. The reversal of 1255332120 is 212335521.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1255332119) and next prime (1255332121).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1255332121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56902 + ... + 75818.
It is an arithmetic number, because the mean of its divisors is an integer number (34052400).
Almost surely, 21255332120 is an apocalyptic number.
1255332120 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 1255332120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179353600).
1255332120 is an abundant number, since it is smaller than the sum of its proper divisors (3103375080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1255332120 is a wasteful number, since it uses less digits than its factorization.
1255332120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19017 (or 19013 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 1255332120 is about 35430.6663781533. Note that the first 3 decimals coincide. The cubic root of 1255332120 is about 1078.7468661557.
Adding to 1255332120 its reverse (212335521), we get a palindrome (1467667641).
The spelling of 1255332120 in words is "one billion, two hundred fifty-five million, three hundred thirty-two thousand, one hundred twenty".
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