1318125033 has 24 divisors (see below), whose sum is σ = 1939017600. Its totient is φ = 862696224.

The previous prime is 1318125001. The next prime is 1318125047. The reversal of 1318125033 is 3305218131.

It is not a de Polignac number, because 1318125033 - 2⁵ = 1318125001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1318124988 and 1318125006.

It is not an unprimeable number, because it can be changed into a prime (1318125433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122091 + ... + 132447.

It is an arithmetic number, because the mean of its divisors is an integer number (80792400).

Almost surely, 2^1318125033 is an apocalyptic number.

It is an amenable number.

1318125033 is a deficient number, since it is larger than the sum of its proper divisors (620892567).

1318125033 is a wasteful number, since it uses less digits than its factorization.

1318125033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621 (or 10618 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1318125033 is about 36305.9916955866. The cubic root of 1318125033 is about 1096.4416789569.

The spelling of 1318125033 in words is "one billion, three hundred eighteen million, one hundred twenty-five thousand, thirty-three".