1162151971 has 2 divisors, whose sum is σ = 1162151972. Its totient is φ = 1162151970.

The previous prime is 1162151911. The next prime is 1162151989. The reversal of 1162151971 is 1791512611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1162151971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162151911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581075985 + 581075986.

It is an arithmetic number, because the mean of its divisors is an integer number (581075986).

Almost surely, 2^1162151971 is an apocalyptic number.

1162151971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162151971 is an equidigital number, since it uses as much as digits as its factorization.

1162151971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 34.

The square root of 1162151971 is about 34090.3501155386. The cubic root of 1162151971 is about 1051.3669184514.

The spelling of 1162151971 in words is "one billion, one hundred sixty-two million, one hundred fifty-one thousand, nine hundred seventy-one".