1200981300 has 36 divisors (see below), whose sum is σ = 3474840096. Its totient is φ = 320261600.

The previous prime is 1200981281. The next prime is 1200981329. The reversal of 1200981300 is 31890021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2001336 + ... + 2001935.

It is an arithmetic number, because the mean of its divisors is an integer number (96523336).

Almost surely, 2^1200981300 is an apocalyptic number.

1200981300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200981300 is an abundant number, since it is smaller than the sum of its proper divisors (2273858796).

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

1200981300 is a wasteful number, since it uses less digits than its factorization.

1200981300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003288 (or 4003281 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1200981300 is about 34655.1771024186. The cubic root of 1200981300 is about 1062.9481532761.

The spelling of 1200981300 in words is "one billion, two hundred million, nine hundred eighty-one thousand, three hundred".