1245113135 has 16 divisors (see below), whose sum is σ = 1708202496. Its totient is φ = 853482528.

The previous prime is 1245113083. The next prime is 1245113179. The reversal of 1245113135 is 5313115421.

It is a cyclic number.

It is not a de Polignac number, because 1245113135 - 2¹⁰ = 1245112111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135662 + ... + 144548.

It is an arithmetic number, because the mean of its divisors is an integer number (106762656).

Almost surely, 2^1245113135 is an apocalyptic number.

1245113135 is a deficient number, since it is larger than the sum of its proper divisors (463089361).

1245113135 is an equidigital number, since it uses as much as digits as its factorization.

1245113135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12902.

The product of its digits is 1800, while the sum is 26.

The square root of 1245113135 is about 35286.1606724223. The cubic root of 1245113135 is about 1075.8117207984.

Adding to 1245113135 its reverse (5313115421), we get a palindrome (6558228556).

The spelling of 1245113135 in words is "one billion, two hundred forty-five million, one hundred thirteen thousand, one hundred thirty-five".