90124011 has 18 divisors (see below), whose sum is σ = 137396220. Its totient is φ = 56918376.

The previous prime is 90124007. The next prime is 90124033. The reversal of 90124011 is 11042109.

It is not a de Polignac number, because 90124011 - 2² = 90124007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90124061) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10621 + ... + 17118.

Almost surely, 2^90124011 is an apocalyptic number.

90124011 is a deficient number, since it is larger than the sum of its proper divisors (47272209).

90124011 is a wasteful number, since it uses less digits than its factorization.

90124011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27783 (or 27761 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 90124011 is about 9493.3666841643. The cubic root of 90124011 is about 448.3462111099.

The spelling of 90124011 in words is "ninety million, one hundred twenty-four thousand, eleven".