1298802492 has 48 divisors (see below), whose sum is σ = 3626290080. Its totient is φ = 399631104.

The previous prime is 1298802481. The next prime is 1298802493. The reversal of 1298802492 is 2942088921.

It is a happy number.

1298802492 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298802493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461133 + ... + 463940.

It is an arithmetic number, because the mean of its divisors is an integer number (75547710).

Almost surely, 2^1298802492 is an apocalyptic number.

1298802492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1298802492 is an abundant number, since it is smaller than the sum of its proper divisors (2327487588).

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

1298802492 is a wasteful number, since it uses less digits than its factorization.

1298802492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925099 (or 925091 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1298802492 is about 36038.9024805140. The cubic root of 1298802492 is about 1091.0576642873.

The spelling of 1298802492 in words is "one billion, two hundred ninety-eight million, eight hundred two thousand, four hundred ninety-two".