1200870116 has 24 divisors (see below), whose sum is σ = 2196163200. Its totient is φ = 573989472.

The previous prime is 1200870109. The next prime is 1200870133. The reversal of 1200870116 is 6110780021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66191 + ... + 82358.

It is an arithmetic number, because the mean of its divisors is an integer number (91506800).

Almost surely, 2^1200870116 is an apocalyptic number.

It is an amenable number.

1200870116 is a deficient number, since it is larger than the sum of its proper divisors (995293084).

1200870116 is a wasteful number, since it uses less digits than its factorization.

1200870116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148643 (or 148641 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1200870116 is about 34653.5729182432. The cubic root of 1200870116 is about 1062.9153505243.

The spelling of 1200870116 in words is "one billion, two hundred million, eight hundred seventy thousand, one hundred sixteen".