1170159131 has 2 divisors, whose sum is σ = 1170159132. Its totient is φ = 1170159130.

The previous prime is 1170159127. The next prime is 1170159161. The reversal of 1170159131 is 1319510711.

It is a weak prime.

It is an emirp because it is prime and its reverse (1319510711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1170159131 - 2² = 1170159127 is a prime.

It is a super-2 number, since 2×1170159131² = 2738544783725350322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1170159094 and 1170159103.

It is not a weakly prime, because it can be changed into another prime (1170159101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585079565 + 585079566.

It is an arithmetic number, because the mean of its divisors is an integer number (585079566).

Almost surely, 2^1170159131 is an apocalyptic number.

1170159131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170159131 is an equidigital number, since it uses as much as digits as its factorization.

1170159131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 29.

The square root of 1170159131 is about 34207.5887925472. The cubic root of 1170159131 is about 1053.7760131799.

Adding to 1170159131 its reverse (1319510711), we get a palindrome (2489669842).

The spelling of 1170159131 in words is "one billion, one hundred seventy million, one hundred fifty-nine thousand, one hundred thirty-one".