90875120 has 40 divisors (see below), whose sum is σ = 241469664. Its totient is φ = 31156992.

The previous prime is 90875089. The next prime is 90875131. The reversal of 90875120 is 2157809.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80579 + ... + 81698.

Almost surely, 2^90875120 is an apocalyptic number.

It is an amenable number.

90875120 is an abundant number, since it is smaller than the sum of its proper divisors (150594544).

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

90875120 is a wasteful number, since it uses less digits than its factorization.

90875120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162297 (or 162291 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 90875120 is about 9532.8442765001. The cubic root of 90875120 is about 449.5882983492.

The spelling of 90875120 in words is "ninety million, eight hundred seventy-five thousand, one hundred twenty".