1229898800 has 60 divisors (see below), whose sum is σ = 3182140080. Its totient is φ = 454114560.

The previous prime is 1229898749. The next prime is 1229898809. The reversal of 1229898800 is 88989221.

It is not an unprimeable number, because it can be changed into a prime (1229898809) 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, 113060 + ... + 123459.

It is an arithmetic number, because the mean of its divisors is an integer number (53035668).

Almost surely, 2^1229898800 is an apocalyptic number.

1229898800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1229898800 is an abundant number, since it is smaller than the sum of its proper divisors (1952241280).

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

1229898800 is a wasteful number, since it uses less digits than its factorization.

1229898800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236550 (or 236539 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 1229898800 is about 35069.9130309729. The cubic root of 1229898800 is about 1071.4118840999.

The spelling of 1229898800 in words is "one billion, two hundred twenty-nine million, eight hundred ninety-eight thousand, eight hundred".