1265051532 has 24 divisors (see below), whose sum is σ = 3125421936. Its totient is φ = 396878848.

The previous prime is 1265051531. The next prime is 1265051551. The reversal of 1265051532 is 2351505621.

It is a happy number.

1265051532 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1265051532.

It is not an unprimeable number, because it can be changed into a prime (1265051531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3100413 + ... + 3100820.

It is an arithmetic number, because the mean of its divisors is an integer number (130225914).

Almost surely, 2^1265051532 is an apocalyptic number.

1265051532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1265051532 is an abundant number, since it is smaller than the sum of its proper divisors (1860370404).

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

1265051532 is a wasteful number, since it uses less digits than its factorization.

1265051532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201257 (or 6201255 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1265051532 is about 35567.5629190418. The cubic root of 1265051532 is about 1081.5237784361.

The spelling of 1265051532 in words is "one billion, two hundred sixty-five million, fifty-one thousand, five hundred thirty-two".