90124 has 6 divisors (see below), whose sum is σ = 157724. Its totient is φ = 45060.

The previous prime is 90121. The next prime is 90127. The reversal of 90124 is 42109.

It is an interprime number because it is at equal distance from previous prime (90121) and next prime (90127).

It is a junction number, because it is equal to n+sod(n) for n = 90098 and 90107.

It is not an unprimeable number, because it can be changed into a prime (90121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262 + ... + 11269.

2⁹⁰¹²⁴ is an apocalyptic number.

It is an amenable number.

90124 is a deficient number, since it is larger than the sum of its proper divisors (67600).

90124 is a wasteful number, since it uses less digits than its factorization.

90124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22535 (or 22533 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 90124 is about 300.2065955305. The cubic root of 90124 is about 44.8346192869.

The spelling of 90124 in words is "ninety thousand, one hundred twenty-four".