9125220 has 48 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 2246016.

The previous prime is 9125203. The next prime is 9125239. The reversal of 9125220 is 225219.

9125220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5070 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (573300).

Almost surely, 2^9125220 is an apocalyptic number.

It is an amenable number.

9125220 is an abundant number, since it is smaller than the sum of its proper divisors (18393180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9125220 is a wasteful number, since it uses less digits than its factorization.

9125220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724 (or 11722 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 9125220 is about 3020.7979078383. The cubic root of 9125220 is about 208.9686391747.

The spelling of 9125220 in words is "nine million, one hundred twenty-five thousand, two hundred twenty".