100257860 has 24 divisors (see below), whose sum is σ = 210831936. Its totient is φ = 40047840.

The previous prime is 100257841. The next prime is 100257869. The reversal of 100257860 is 68752001.

It is not an unprimeable number, because it can be changed into a prime (100257869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13415 + ... + 19505.

It is an arithmetic number, because the mean of its divisors is an integer number (8784664).

Almost surely, 2^100257860 is an apocalyptic number.

100257860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100257860 is an abundant number, since it is smaller than the sum of its proper divisors (110574076).

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

100257860 is a wasteful number, since it uses less digits than its factorization.

100257860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923 (or 6921 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 100257860 is about 10012.8846992263. The cubic root of 100257860 is about 464.5575009645.

The spelling of 100257860 in words is "one hundred million, two hundred fifty-seven thousand, eight hundred sixty".