1168242731 has 2 divisors, whose sum is σ = 1168242732. Its totient is φ = 1168242730.

The previous prime is 1168242701. The next prime is 1168242743. The reversal of 1168242731 is 1372428611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1168242731 - 2⁶ = 1168242667 is a prime.

It is a super-2 number, since 2×1168242731² = 2729582157068676722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1168242691 and 1168242700.

It is not a weakly prime, because it can be changed into another prime (1168242701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584121365 + 584121366.

It is an arithmetic number, because the mean of its divisors is an integer number (584121366).

Almost surely, 2^1168242731 is an apocalyptic number.

1168242731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168242731 is an equidigital number, since it uses as much as digits as its factorization.

1168242731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 1168242731 is about 34179.5659861269. The cubic root of 1168242731 is about 1053.2004334031.

The spelling of 1168242731 in words is "one billion, one hundred sixty-eight million, two hundred forty-two thousand, seven hundred thirty-one".