1265924352 has 144 divisors (see below), whose sum is σ = 4200763392. Its totient is φ = 328796160.

The previous prime is 1265924351. The next prime is 1265924357. The reversal of 1265924352 is 2534295621.

It is a self number, because there is not a number n which added to its sum of digits gives 1265924352.

It is not an unprimeable number, because it can be changed into a prime (1265924351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48433 + ... + 69839.

It is an arithmetic number, because the mean of its divisors is an integer number (29171968).

Almost surely, 2^1265924352 is an apocalyptic number.

1265924352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265924352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2100381696).

1265924352 is an abundant number, since it is smaller than the sum of its proper divisors (2934839040).

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

1265924352 is a wasteful number, since it uses less digits than its factorization.

1265924352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444 (or 21430 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 1265924352 is about 35579.8306909968. The cubic root of 1265924352 is about 1081.7724530409.

The spelling of 1265924352 in words is "one billion, two hundred sixty-five million, nine hundred twenty-four thousand, three hundred fifty-two".