1298937792 has 28 divisors (see below), whose sum is σ = 3436773416. Its totient is φ = 432979200.

The previous prime is 1298937791. The next prime is 1298937817. The reversal of 1298937792 is 2977398921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298937791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382459 + ... + 3382842.

Almost surely, 2^1298937792 is an apocalyptic number.

1298937792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1298937792 is an abundant number, since it is smaller than the sum of its proper divisors (2137835624).

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

1298937792 is an equidigital number, since it uses as much as digits as its factorization.

1298937792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765316 (or 6765306 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 57.

The square root of 1298937792 is about 36040.7795698151. The cubic root of 1298937792 is about 1091.0955491792.

The spelling of 1298937792 in words is "one billion, two hundred ninety-eight million, nine hundred thirty-seven thousand, seven hundred ninety-two".