1116772971 has 4 divisors (see below), whose sum is σ = 1489030632. Its totient is φ = 744515312.

The previous prime is 1116772957. The next prime is 1116772991. The reversal of 1116772971 is 1792776111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1116772971 - 2²⁶ = 1049664107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1116772991) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 186128826 + ... + 186128831.

It is an arithmetic number, because the mean of its divisors is an integer number (372257658).

Almost surely, 2^1116772971 is an apocalyptic number.

1116772971 is a deficient number, since it is larger than the sum of its proper divisors (372257661).

1116772971 is an equidigital number, since it uses as much as digits as its factorization.

1116772971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372257660.

The product of its digits is 37044, while the sum is 42.

The square root of 1116772971 is about 33418.1533152267. The cubic root of 1116772971 is about 1037.5004603666.

The spelling of 1116772971 in words is "one billion, one hundred sixteen million, seven hundred seventy-two thousand, nine hundred seventy-one".