100015572 has 12 divisors (see below), whose sum is σ = 233369696. Its totient is φ = 33338520.

The previous prime is 100015567. The next prime is 100015583. The reversal of 100015572 is 275510001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×100015572² = 20006229284974368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167304 + ... + 4167327.

Almost surely, 2^100015572 is an apocalyptic number.

100015572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100015572 is an abundant number, since it is smaller than the sum of its proper divisors (133354124).

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

100015572 is a wasteful number, since it uses less digits than its factorization.

100015572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334638 (or 8334636 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 100015572 is about 10000.7785696915. The cubic root of 100015572 is about 464.1829750512.

Adding to 100015572 its reverse (275510001), we get a palindrome (375525573).

The spelling of 100015572 in words is "one hundred million, fifteen thousand, five hundred seventy-two".