100640572 has 12 divisors (see below), whose sum is σ = 177737560. Its totient is φ = 49858416.

The previous prime is 100640557. The next prime is 100640581. The reversal of 100640572 is 275046001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114978 + ... + 115849.

Almost surely, 2^100640572 is an apocalyptic number.

It is an amenable number.

100640572 is a deficient number, since it is larger than the sum of its proper divisors (77096988).

100640572 is a wasteful number, since it uses less digits than its factorization.

100640572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230940 (or 230938 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 100640572 is about 10031.9774720640. The cubic root of 100640572 is about 465.1478652581.

Adding to 100640572 its reverse (275046001), we get a palindrome (375686573).

The spelling of 100640572 in words is "one hundred million, six hundred forty thousand, five hundred seventy-two".