1170245831 has 2 divisors, whose sum is σ = 1170245832. Its totient is φ = 1170245830.

The previous prime is 1170245807. The next prime is 1170245833. The reversal of 1170245831 is 1385420711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1170245831 - 2⁶ = 1170245767 is a prime.

It is a super-2 number, since 2×1170245831² = 2738950609945761122, which contains 22 as substring.

Together with 1170245833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1170245833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585122915 + 585122916.

It is an arithmetic number, because the mean of its divisors is an integer number (585122916).

Almost surely, 2^1170245831 is an apocalyptic number.

1170245831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170245831 is an equidigital number, since it uses as much as digits as its factorization.

1170245831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1170245831 is about 34208.8560317354. The cubic root of 1170245831 is about 1053.8020381657.

The spelling of 1170245831 in words is "one billion, one hundred seventy million, two hundred forty-five thousand, eight hundred thirty-one".