901172 has 12 divisors (see below), whose sum is σ = 1619940. Its totient is φ = 438336.

The previous prime is 901171. The next prime is 901177. The reversal of 901172 is 271109.

It can be written as a sum of positive squares in 2 ways, for example, as 524176 + 376996 = 724^2 + 614^2 .

It is a super-2 number, since 2×901172² = 1624221947168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897 + ... + 3192.

It is an arithmetic number, because the mean of its divisors is an integer number (134995).

2⁹⁰¹¹⁷² is an apocalyptic number.

It is an amenable number.

901172 is a deficient number, since it is larger than the sum of its proper divisors (718768).

901172 is a wasteful number, since it uses less digits than its factorization.

901172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130 (or 6128 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 901172 is about 949.3007953225. The cubic root of 901172 is about 96.5908296730.

The spelling of 901172 in words is "nine hundred one thousand, one hundred seventy-two".