1265348874 has 32 divisors (see below), whose sum is σ = 2595631104. Its totient is φ = 411006960.

The previous prime is 1265348857. The next prime is 1265348891. The reversal of 1265348874 is 4788435621.

It is an interprime number because it is at equal distance from previous prime (1265348857) and next prime (1265348891).

It is a super-2 number, since 2×1265348874² = 3202215545866135752, which contains 22 as substring.

It is a Curzon 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, 108759 + ... + 119829.

It is an arithmetic number, because the mean of its divisors is an integer number (81113472).

Almost surely, 2^1265348874 is an apocalyptic number.

1265348874 is an abundant number, since it is smaller than the sum of its proper divisors (1330282230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265348874 is a wasteful number, since it uses less digits than its factorization.

1265348874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562.

The product of its digits is 1290240, while the sum is 48.

The square root of 1265348874 is about 35571.7426337254. The cubic root of 1265348874 is about 1081.6085068031.

The spelling of 1265348874 in words is "one billion, two hundred sixty-five million, three hundred forty-eight thousand, eight hundred seventy-four".