100491532 has 12 divisors (see below), whose sum is σ = 185116120. Its totient is φ = 47601216.

The previous prime is 100491509. The next prime is 100491563. The reversal of 100491532 is 235194001.

It is a junction number, because it is equal to n+sod(n) for n = 100491497 and 100491506.

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, 661053 + ... + 661204.

Almost surely, 2^100491532 is an apocalyptic number.

It is an amenable number.

100491532 is a deficient number, since it is larger than the sum of its proper divisors (84624588).

100491532 is a wasteful number, since it uses less digits than its factorization.

100491532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322280 (or 1322278 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 100491532 is about 10024.5464735319. The cubic root of 100491532 is about 464.9181372057.

The spelling of 100491532 in words is "one hundred million, four hundred ninety-one thousand, five hundred thirty-two".