1296488032 has 48 divisors (see below), whose sum is σ = 2947220640. Its totient is φ = 549900288.

The previous prime is 1296488021. The next prime is 1296488057. The reversal of 1296488032 is 2308846921.

It is a self number, because there is not a number n which added to its sum of digits gives 1296488032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8107 + ... + 51562.

It is an arithmetic number, because the mean of its divisors is an integer number (61400430).

Almost surely, 2^1296488032 is an apocalyptic number.

It is an amenable number.

1296488032 is an abundant number, since it is smaller than the sum of its proper divisors (1650732608).

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

1296488032 is an equidigital number, since it uses as much as digits as its factorization.

1296488032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59783 (or 59775 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1296488032 is about 36006.7775842271. Note that the first 3 decimals coincide. The cubic root of 1296488032 is about 1090.4091923822.

The spelling of 1296488032 in words is "one billion, two hundred ninety-six million, four hundred eighty-eight thousand, thirty-two".