90126015 has 32 divisors (see below), whose sum is σ = 165167616. Its totient is φ = 41109120.

The previous prime is 90125999. The next prime is 90126041. The reversal of 90126015 is 51062109.

It is not a de Polignac number, because 90126015 - 2⁴ = 90125999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76380 + ... + 77550.

It is an arithmetic number, because the mean of its divisors is an integer number (5161488).

Almost surely, 2^90126015 is an apocalyptic number.

90126015 is a deficient number, since it is larger than the sum of its proper divisors (75041601).

90126015 is a wasteful number, since it uses less digits than its factorization.

90126015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 90126015 is about 9493.4722309595. The cubic root of 90126015 is about 448.3495342315.

The spelling of 90126015 in words is "ninety million, one hundred twenty-six thousand, fifteen".