1297228800 has 528 divisors, whose sum is σ = 5198397440. Its totient is φ = 278691840.

The previous prime is 1297228789. The next prime is 1297228837. The reversal of 1297228800 is 88227921.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10214337 + ... + 10214463.

Almost surely, 2^1297228800 is an apocalyptic number.

1297228800 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 1297228800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599198720).

1297228800 is an abundant number, since it is smaller than the sum of its proper divisors (3901168640).

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

1297228800 is a wasteful number, since it uses less digits than its factorization.

1297228800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1297228800 is about 36017.0626231513. The cubic root of 1297228800 is about 1090.6168267574.

The spelling of 1297228800 in words is "one billion, two hundred ninety-seven million, two hundred twenty-eight thousand, eight hundred".