100125256 has 128 divisors (see below), whose sum is σ = 252149760. Its totient is φ = 36115200.

The previous prime is 100125247. The next prime is 100125271. The reversal of 100125256 is 652521001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524121 + ... + 524311.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 2^100125256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100125256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126074880).

100125256 is an abundant number, since it is smaller than the sum of its proper divisors (152024504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100125256 is a wasteful number, since it uses less digits than its factorization.

100125256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 100125256 is about 10006.2608400941. The cubic root of 100125256 is about 464.3525981210.

Adding to 100125256 its reverse (652521001), we get a palindrome (752646257).

The spelling of 100125256 in words is "one hundred million, one hundred twenty-five thousand, two hundred fifty-six".