1172772 has 24 divisors (see below), whose sum is σ = 3040800. Its totient is φ = 390888.

The previous prime is 1172749. The next prime is 1172777. The reversal of 1172772 is 2772711.

1172772 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1172777) 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, 5322 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (126700).

2^1172772 is an apocalyptic number.

1172772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1172772 is an abundant number, since it is smaller than the sum of its proper divisors (1868028).

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

1172772 is a wasteful number, since it uses less digits than its factorization.

1172772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872 (or 10864 counting only the distinct ones).

The product of its digits is 1372, while the sum is 27.

The square root of 1172772 is about 1082.9459820323. The cubic root of 1172772 is about 105.4559761814.

The spelling of 1172772 in words is "one million, one hundred seventy-two thousand, seven hundred seventy-two".