90124837 has 16 divisors (see below), whose sum is σ = 107697600. Its totient is φ = 74448640.

The previous prime is 90124831. The next prime is 90124841. The reversal of 90124837 is 73842109.

It is a cyclic number.

It is not a de Polignac number, because 90124837 - 2¹⁵ = 90092069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90124831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (6731100).

Almost surely, 2^90124837 is an apocalyptic number.

It is an amenable number.

90124837 is a deficient number, since it is larger than the sum of its proper divisors (17572763).

90124837 is a wasteful number, since it uses less digits than its factorization.

90124837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 90124837 is about 9493.4101881252. The cubic root of 90124837 is about 448.3475808257.

The spelling of 90124837 in words is "ninety million, one hundred twenty-four thousand, eight hundred thirty-seven".