1200944660 has 12 divisors (see below), whose sum is σ = 2521983828. Its totient is φ = 480377856.

The previous prime is 1200944659. The next prime is 1200944699. The reversal of 1200944660 is 664490021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 439405444 + 761539216 = 20962^2 + 27596^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30023597 + ... + 30023636.

It is an arithmetic number, because the mean of its divisors is an integer number (210165319).

Almost surely, 2^1200944660 is an apocalyptic number.

1200944660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200944660 is an abundant number, since it is smaller than the sum of its proper divisors (1321039168).

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

1200944660 is a wasteful number, since it uses less digits than its factorization.

1200944660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60047242 (or 60047240 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1200944660 is about 34654.6484616422. The cubic root of 1200944660 is about 1062.9373435557.

The spelling of 1200944660 in words is "one billion, two hundred million, nine hundred forty-four thousand, six hundred sixty".