1197912723964 has 24 divisors (see below), whose sum is σ = 2294138590128. Its totient is φ = 542788093440.

The previous prime is 1197912723947. The next prime is 1197912724013. The reversal of 1197912723964 is 4693272197911.

It is a hoax number, since the sum of its digits (61) 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 7 ways as a sum of consecutive naturals, for example, 42928149 + ... + 42956044.

It is an arithmetic number, because the mean of its divisors is an integer number (95589107922).

Almost surely, 2^{1197912723964} is an apocalyptic number.

It is an amenable number.

1197912723964 is a deficient number, since it is larger than the sum of its proper divisors (1096225866164).

1197912723964 is a wasteful number, since it uses less digits than its factorization.

1197912723964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85884525 (or 85884523 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 61.

The spelling of 1197912723964 in words is "one trillion, one hundred ninety-seven billion, nine hundred twelve million, seven hundred twenty-three thousand, nine hundred sixty-four".