1265416233 has 16 divisors (see below), whose sum is σ = 1809089280. Its totient is φ = 783933696.

The previous prime is 1265416213. The next prime is 1265416241. The reversal of 1265416233 is 3326145621.

It is not a de Polignac number, because 1265416233 - 2⁹ = 1265415721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1265416194 and 1265416203.

It is not an unprimeable number, because it can be changed into a prime (1265416213) 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, 153010 + ... + 161067.

It is an arithmetic number, because the mean of its divisors is an integer number (113068080).

Almost surely, 2^1265416233 is an apocalyptic number.

It is an amenable number.

1265416233 is a deficient number, since it is larger than the sum of its proper divisors (543673047).

1265416233 is a wasteful number, since it uses less digits than its factorization.

1265416233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314176.

The product of its digits is 25920, while the sum is 33.

The square root of 1265416233 is about 35572.6894260189. The cubic root of 1265416233 is about 1081.6276990791.

The spelling of 1265416233 in words is "one billion, two hundred sixty-five million, four hundred sixteen thousand, two hundred thirty-three".