1304987152 has 80 divisors (see below), whose sum is σ = 2952561024. Its totient is φ = 547200000.

The previous prime is 1304987141. The next prime is 1304987209. The reversal of 1304987152 is 2517894031.

It is a super-2 number, since 2×1304987152² = 3405982933770142208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714452 + ... + 1715212.

Almost surely, 2^1304987152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304987152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476280512).

1304987152 is an abundant number, since it is smaller than the sum of its proper divisors (1647573872).

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

1304987152 is a wasteful number, since it uses less digits than its factorization.

1304987152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1304987152 is about 36124.6059078850. The cubic root of 1304987152 is about 1092.7867283933.

The spelling of 1304987152 in words is "one billion, three hundred four million, nine hundred eighty-seven thousand, one hundred fifty-two".