100251328 has 14 divisors (see below), whose sum is σ = 198936356. Its totient is φ = 50125632.

The previous prime is 100251323. The next prime is 100251337. The reversal of 100251328 is 823152001.

It is a junction number, because it is equal to n+sod(n) for n = 100251299 and 100251308.

It is not an unprimeable number, because it can be changed into a prime (100251323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 783150 + ... + 783277.

Almost surely, 2^100251328 is an apocalyptic number.

It is an amenable number.

100251328 is a deficient number, since it is larger than the sum of its proper divisors (98685028).

100251328 is an equidigital number, since it uses as much as digits as its factorization.

100251328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566439 (or 1566429 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 100251328 is about 10012.5585141861. The cubic root of 100251328 is about 464.5474117954.

The spelling of 100251328 in words is "one hundred million, two hundred fifty-one thousand, three hundred twenty-eight".