90901107 has 12 divisors (see below), whose sum is σ = 143238264. Its totient is φ = 55091520.

The previous prime is 90901093. The next prime is 90901171. The reversal of 90901107 is 70110909.

It is not a de Polignac number, because 90901107 - 2⁶ = 90901043 is a prime.

It is a super-2 number, since 2×90901107² = 16526022507650898, which contains 22 as substring.

90901107 is a modest number, since divided by 1107 gives 909 as remainder.

It is not an unprimeable number, because it can be changed into a prime (90901507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458998 + ... + 459195.

It is an arithmetic number, because the mean of its divisors is an integer number (11936522).

Almost surely, 2^90901107 is an apocalyptic number.

90901107 is a deficient number, since it is larger than the sum of its proper divisors (52337157).

90901107 is a wasteful number, since it uses less digits than its factorization.

90901107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918210 (or 918207 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 90901107 is about 9534.2072035382. The cubic root of 90901107 is about 449.6311495998.

The spelling of 90901107 in words is "ninety million, nine hundred one thousand, one hundred seven".