1162631 has 2 divisors, whose sum is σ = 1162632. Its totient is φ = 1162630.

The previous prime is 1162621. The next prime is 1162649. The reversal of 1162631 is 1362611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1162631 is a prime.

It is a super-2 number, since 2×1162631² = 2703421684322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581315 + 581316.

It is an arithmetic number, because the mean of its divisors is an integer number (581316).

2^1162631 is an apocalyptic number.

1162631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162631 is an equidigital number, since it uses as much as digits as its factorization.

1162631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 1162631 is about 1078.2536807264. The cubic root of 1162631 is about 105.1511353394.

Subtracting from 1162631 its sum of digits (20), we obtain a palindrome (1162611).

The spelling of 1162631 in words is "one million, one hundred sixty-two thousand, six hundred thirty-one".