1297060800 has 168 divisors, whose sum is σ = 4863486336. Its totient is φ = 296463360.

The previous prime is 1297060763. The next prime is 1297060811. The reversal of 1297060800 is 80607921.

It is a tau number, because it is divible by the number of its divisors (168).

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, 14299 + ... + 52901.

Almost surely, 2^1297060800 is an apocalyptic number.

1297060800 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 1297060800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2431743168).

1297060800 is an abundant number, since it is smaller than the sum of its proper divisors (3566425536).

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

1297060800 is a wasteful number, since it uses less digits than its factorization.

1297060800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38635 (or 38620 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1297060800 is about 36014.7303196900. The cubic root of 1297060800 is about 1090.5697439459.

The spelling of 1297060800 in words is "one billion, two hundred ninety-seven million, sixty thousand, eight hundred".