1047172 has 24 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 444000.

The previous prime is 1047157. The next prime is 1047173. The reversal of 1047172 is 2717401.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2^1047172 is an apocalyptic number.

It is an amenable number.

1047172 is an abundant number, since it is smaller than the sum of its proper divisors (1069628).

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

1047172 is a wasteful number, since it uses less digits than its factorization.

1047172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1047172 is about 1023.3142234915. The cubic root of 1047172 is about 101.5483038304.

The spelling of 1047172 in words is "one million, forty-seven thousand, one hundred seventy-two".