1297039104 has 108 divisors (see below), whose sum is σ = 3936641800. Its totient is φ = 409577472.

The previous prime is 1297039103. The next prime is 1297039111. The reversal of 1297039104 is 4019307921.

It is a super-4 number, since 4×1297039104⁴ (a number of 38 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297039103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28962 + ... + 58590.

Almost surely, 2^1297039104 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 1297039104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1968320900).

1297039104 is an abundant number, since it is smaller than the sum of its proper divisors (2639602696).

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

1297039104 is a wasteful number, since it uses less digits than its factorization.

1297039104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29670 (or 29653 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1297039104 is about 36014.4291083449. The cubic root of 1297039104 is about 1090.5636632407.

The spelling of 1297039104 in words is "one billion, two hundred ninety-seven million, thirty-nine thousand, one hundred four".