1132972247 has 12 divisors (see below), whose sum is σ = 1257676728. Its totient is φ = 1019766000.

The previous prime is 1132972241. The next prime is 1132972279. The reversal of 1132972247 is 7422792311.

It is not a de Polignac number, because 1132972247 - 2⁴ = 1132972231 is a prime.

It is a super-2 number, since 2×1132972247² = 2567252224944458018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1132972247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132972241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34133 + ... + 58574.

It is an arithmetic number, because the mean of its divisors is an integer number (104806394).

Almost surely, 2^1132972247 is an apocalyptic number.

1132972247 is a deficient number, since it is larger than the sum of its proper divisors (124704481).

1132972247 is a wasteful number, since it uses less digits than its factorization.

1132972247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92830 (or 92819 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 1132972247 is about 33659.6531027876. The cubic root of 1132972247 is about 1042.4928632528.

It can be divided in two parts, 1132 and 972247, that added together give a palindrome (973379).

The spelling of 1132972247 in words is "one billion, one hundred thirty-two million, nine hundred seventy-two thousand, two hundred forty-seven".