901173 has 16 divisors (see below), whose sum is σ = 1479296. Its totient is φ = 475200.

The previous prime is 901171. The next prime is 901177. The reversal of 901173 is 371109.

It is not a de Polignac number, because 901173 - 2¹ = 901171 is a prime.

It is a super-2 number, since 2×901173² = 1624225551858, which contains 22 as substring.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 1378 + ... + 1923.

It is an arithmetic number, because the mean of its divisors is an integer number (92456).

2⁹⁰¹¹⁷³ is an apocalyptic number.

It is an amenable number.

901173 is a deficient number, since it is larger than the sum of its proper divisors (578123).

901173 is a wasteful number, since it uses less digits than its factorization.

901173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 901173 is about 949.3013220258. The cubic root of 901173 is about 96.5908654008.

It can be divided in two parts, 90 and 1173, that multiplied together give a triangular number (105570 = T₄₅₉).

The spelling of 901173 in words is "nine hundred one thousand, one hundred seventy-three".