1197974516 has 12 divisors (see below), whose sum is σ = 2097365088. Its totient is φ = 598727352.

The previous prime is 1197974501. The next prime is 1197974537. The reversal of 1197974516 is 6154797911.

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, 54416 + ... + 73191.

It is an arithmetic number, because the mean of its divisors is an integer number (174780424).

Almost surely, 2^1197974516 is an apocalyptic number.

It is an amenable number.

1197974516 is a deficient number, since it is larger than the sum of its proper divisors (899390572).

1197974516 is a wasteful number, since it uses less digits than its factorization.

1197974516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129958 (or 129956 counting only the distinct ones).

The product of its digits is 476280, while the sum is 50.

The square root of 1197974516 is about 34611.7684610307. The cubic root of 1197974516 is about 1062.0603441605.

The spelling of 1197974516 in words is "one billion, one hundred ninety-seven million, nine hundred seventy-four thousand, five hundred sixteen".