1162172 has 24 divisors (see below), whose sum is σ = 2260272. Its totient is φ = 518400.

The previous prime is 1162129. The next prime is 1162193. The reversal of 1162172 is 2712611.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (94178).

2^1162172 is an apocalyptic number.

It is an amenable number.

1162172 is a deficient number, since it is larger than the sum of its proper divisors (1098100).

1162172 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1162172 = (2161172)₉.

1162172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 507 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 1162172 is about 1078.0408155538. The cubic root of 1162172 is about 105.1372958312.

Adding to 1162172 its reverse (2712611), we get a palindrome (3874783).

The spelling of 1162172 in words is "one million, one hundred sixty-two thousand, one hundred seventy-two".