1161462131 has 2 divisors, whose sum is σ = 1161462132. Its totient is φ = 1161462130.

The previous prime is 1161462097. The next prime is 1161462161. The reversal of 1161462131 is 1312641611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161462131 - 2⁶ = 1161462067 is a prime.

It is a super-2 number, since 2×1161462131² = 2697988563494122322, 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 1161462131.

It is not a weakly prime, because it can be changed into another prime (1161462161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580731065 + 580731066.

It is an arithmetic number, because the mean of its divisors is an integer number (580731066).

Almost surely, 2^1161462131 is an apocalyptic number.

1161462131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161462131 is an equidigital number, since it uses as much as digits as its factorization.

1161462131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 1161462131 is about 34080.2307944063. The cubic root of 1161462131 is about 1051.1588508534.

The spelling of 1161462131 in words is "one billion, one hundred sixty-one million, four hundred sixty-two thousand, one hundred thirty-one".