1297118304 has 144 divisors (see below), whose sum is σ = 3915475200. Its totient is φ = 406441728.

The previous prime is 1297118279. The next prime is 1297118311. The reversal of 1297118304 is 4038117921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389157 + ... + 392475.

It is an arithmetic number, because the mean of its divisors is an integer number (27190800).

Almost surely, 2^1297118304 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 1297118304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957737600).

1297118304 is an abundant number, since it is smaller than the sum of its proper divisors (2618356896).

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

1297118304 is a wasteful number, since it uses less digits than its factorization.

1297118304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417 (or 3406 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1297118304 is about 36015.5286508473. The cubic root of 1297118304 is about 1090.5858601773.

The spelling of 1297118304 in words is "one billion, two hundred ninety-seven million, one hundred eighteen thousand, three hundred four".