1164272539 has 2 divisors, whose sum is σ = 1164272540. Its totient is φ = 1164272538.

The previous prime is 1164272521. The next prime is 1164272573. The reversal of 1164272539 is 9352724611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9352724611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1164272539 - 2⁵ = 1164272507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164272939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582136269 + 582136270.

It is an arithmetic number, because the mean of its divisors is an integer number (582136270).

Almost surely, 2^1164272539 is an apocalyptic number.

1164272539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164272539 is an equidigital number, since it uses as much as digits as its factorization.

1164272539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 1164272539 is about 34121.4381144758. The cubic root of 1164272539 is about 1052.0060030765.

The spelling of 1164272539 in words is "one billion, one hundred sixty-four million, two hundred seventy-two thousand, five hundred thirty-nine".