100490975 has 24 divisors (see below), whose sum is σ = 134855952. Its totient is φ = 73843200.

The previous prime is 100490947. The next prime is 100490977. The reversal of 100490975 is 579094001.

It is a de Polignac number, because none of the positive numbers 2^k-100490975 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100490977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77684 + ... + 78966.

It is an arithmetic number, because the mean of its divisors is an integer number (5618998).

Almost surely, 2^100490975 is an apocalyptic number.

100490975 is a deficient number, since it is larger than the sum of its proper divisors (34364977).

100490975 is a wasteful number, since it uses less digits than its factorization.

100490975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 100490975 is about 10024.5186916879. The cubic root of 100490975 is about 464.9172782283.

The spelling of 100490975 in words is "one hundred million, four hundred ninety thousand, nine hundred seventy-five".