901225 has 24 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 640320.

The previous prime is 901213. The next prime is 901247. The reversal of 901225 is 522109.

It is not a de Polignac number, because 901225 - 2⁵ = 901193 is a prime.

901225 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15246 + ... + 15304.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2⁹⁰¹²²⁵ is an apocalyptic number.

It is an amenable number.

901225 is a deficient number, since it is larger than the sum of its proper divisors (348695).

901225 is a wasteful number, since it uses less digits than its factorization.

901225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 901225 is about 949.3287101947. The cubic root of 901225 is about 96.5927232122.

The spelling of 901225 in words is "nine hundred one thousand, two hundred twenty-five".