1275135051 has 16 divisors (see below), whose sum is σ = 1742860800. Its totient is φ = 828885408.

The previous prime is 1275134977. The next prime is 1275135061. The reversal of 1275135051 is 1505315721.

It is not a de Polignac number, because 1275135051 - 2⁷ = 1275134923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1275135061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21120 + ... + 54738.

It is an arithmetic number, because the mean of its divisors is an integer number (108928800).

Almost surely, 2^1275135051 is an apocalyptic number.

1275135051 is a deficient number, since it is larger than the sum of its proper divisors (467725749).

1275135051 is a wasteful number, since it uses less digits than its factorization.

1275135051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33938.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 1275135051 is about 35709.0331848959. The cubic root of 1275135051 is about 1084.3897269588.

The spelling of 1275135051 in words is "one billion, two hundred seventy-five million, one hundred thirty-five thousand, fifty-one".