90259124 has 6 divisors (see below), whose sum is σ = 157953474. Its totient is φ = 45129560.

The previous prime is 90259121. The next prime is 90259189. The reversal of 90259124 is 42195209.

It can be written as a sum of positive squares in only one way, i.e., 59567524 + 30691600 = 7718^2 + 5540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90259121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11282387 + ... + 11282394.

It is an arithmetic number, because the mean of its divisors is an integer number (26325579).

Almost surely, 2^90259124 is an apocalyptic number.

It is an amenable number.

90259124 is a deficient number, since it is larger than the sum of its proper divisors (67694350).

90259124 is a wasteful number, since it uses less digits than its factorization.

90259124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564785 (or 22564783 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 90259124 is about 9500.4801983900. The cubic root of 90259124 is about 448.5701512630.

The spelling of 90259124 in words is "ninety million, two hundred fifty-nine thousand, one hundred twenty-four".