1072172 has 6 divisors (see below), whose sum is σ = 1876308. Its totient is φ = 536084.

The previous prime is 1072163. The next prime is 1072187. The reversal of 1072172 is 2712701.

It is a super-2 number, since 2×1072172² = 2299105595168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134018 + ... + 134025.

It is an arithmetic number, because the mean of its divisors is an integer number (312718).

2^1072172 is an apocalyptic number.

It is an amenable number.

1072172 is a deficient number, since it is larger than the sum of its proper divisors (804136).

1072172 is a wasteful number, since it uses less digits than its factorization.

1072172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268047 (or 268045 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 1072172 is about 1035.4573868586. The cubic root of 1072172 is about 102.3500722994.

Adding to 1072172 its reverse (2712701), we get a palindrome (3784873).

The spelling of 1072172 in words is "one million, seventy-two thousand, one hundred seventy-two".