1298492464 has 20 divisors (see below), whose sum is σ = 2550294856. Its totient is φ = 640351872.

The previous prime is 1298492441. The next prime is 1298492477. The reversal of 1298492464 is 4642948921.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554694 + ... + 557029.

Almost surely, 2^1298492464 is an apocalyptic number.

It is an amenable number.

1298492464 is a deficient number, since it is larger than the sum of its proper divisors (1251802392).

1298492464 is a wasteful number, since it uses less digits than its factorization.

1298492464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111804 (or 1111798 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 1298492464 is about 36034.6009274419. The cubic root of 1298492464 is about 1090.9708444807.

The spelling of 1298492464 in words is "one billion, two hundred ninety-eight million, four hundred ninety-two thousand, four hundred sixty-four".