1180868531 has 2 divisors, whose sum is σ = 1180868532. Its totient is φ = 1180868530.

The previous prime is 1180868509. The next prime is 1180868609. The reversal of 1180868531 is 1358680811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1180868531 is a prime.

It is a super-2 number, since 2×1180868531² = 2788900975012195922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1180568531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590434265 + 590434266.

It is an arithmetic number, because the mean of its divisors is an integer number (590434266).

Almost surely, 2^1180868531 is an apocalyptic number.

1180868531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180868531 is an equidigital number, since it uses as much as digits as its factorization.

1180868531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 1180868531 is about 34363.7677066995. The cubic root of 1180868531 is about 1056.9810059817.

The spelling of 1180868531 in words is "one billion, one hundred eighty million, eight hundred sixty-eight thousand, five hundred thirty-one".