90125841 has 12 divisors (see below), whose sum is σ = 130123248. Its totient is φ = 55461744.

The previous prime is 90125813. The next prime is 90125843. The reversal of 90125841 is 14852109.

It is a happy number.

It is not a de Polignac number, because 90125841 - 2⁷ = 90125713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90125799 and 90125808.

It is not an unprimeable number, because it can be changed into a prime (90125843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88375 + ... + 89388.

It is an arithmetic number, because the mean of its divisors is an integer number (10843604).

Almost surely, 2^90125841 is an apocalyptic number.

It is an amenable number.

90125841 is a deficient number, since it is larger than the sum of its proper divisors (39997407).

90125841 is a wasteful number, since it uses less digits than its factorization.

90125841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177792 (or 177779 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 90125841 is about 9493.4630667634. The cubic root of 90125841 is about 448.3492456989.

The spelling of 90125841 in words is "ninety million, one hundred twenty-five thousand, eight hundred forty-one".