1297592120 has 64 divisors (see below), whose sum is σ = 3223463040. Its totient is φ = 466153600.

The previous prime is 1297592117. The next prime is 1297592161. The reversal of 1297592120 is 212957921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18755 + ... + 54285.

It is an arithmetic number, because the mean of its divisors is an integer number (50366610).

Almost surely, 2^1297592120 is an apocalyptic number.

1297592120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297592120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611731520).

1297592120 is an abundant number, since it is smaller than the sum of its proper divisors (1925870920).

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

1297592120 is a wasteful number, since it uses less digits than its factorization.

1297592120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35636 (or 35632 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1297592120 is about 36022.1059906275. The cubic root of 1297592120 is about 1090.7186350425.

The spelling of 1297592120 in words is "one billion, two hundred ninety-seven million, five hundred ninety-two thousand, one hundred twenty".