1245113179 has 2 divisors, whose sum is σ = 1245113180. Its totient is φ = 1245113178.

The previous prime is 1245113083. The next prime is 1245113183. The reversal of 1245113179 is 9713115421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245113179 - 2⁹ = 1245112667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245113189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622556589 + 622556590.

It is an arithmetic number, because the mean of its divisors is an integer number (622556590).

Almost surely, 2^1245113179 is an apocalyptic number.

1245113179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245113179 is an equidigital number, since it uses as much as digits as its factorization.

1245113179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 34.

The square root of 1245113179 is about 35286.1612958962. The cubic root of 1245113179 is about 1075.8117334708.

The spelling of 1245113179 in words is "one billion, two hundred forty-five million, one hundred thirteen thousand, one hundred seventy-nine".