1298515232 has 96 divisors (see below), whose sum is σ = 3079544832. Its totient is φ = 526927104.

The previous prime is 1298515217. The next prime is 1298515241. The reversal of 1298515232 is 2325158921.

It is a super-2 number, since 2×1298515232² = 3372283615472027648, which contains 22 as substring.

It is an unprimeable number.

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, 529433 + ... + 531879.

It is an arithmetic number, because the mean of its divisors is an integer number (32078592).

Almost surely, 2^1298515232 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 1298515232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539772416).

1298515232 is an abundant number, since it is smaller than the sum of its proper divisors (1781029600).

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

1298515232 is a wasteful number, since it uses less digits than its factorization.

1298515232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2582 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 1298515232 is about 36034.9168446383. The cubic root of 1298515232 is about 1090.9772208696.

The spelling of 1298515232 in words is "one billion, two hundred ninety-eight million, five hundred fifteen thousand, two hundred thirty-two".