1197893872 has 80 divisors (see below), whose sum is σ = 2691192832. Its totient is φ = 505958400.

The previous prime is 1197893869. The next prime is 1197893897. The reversal of 1197893872 is 2783987911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3263833 + ... + 3264199.

Almost surely, 2^1197893872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1197893872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345596416).

1197893872 is an abundant number, since it is smaller than the sum of its proper divisors (1493298960).

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

1197893872 is a wasteful number, since it uses less digits than its factorization.

1197893872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 720 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 55.

The square root of 1197893872 is about 34610.6034619450. The cubic root of 1197893872 is about 1062.0365120686.

The spelling of 1197893872 in words is "one billion, one hundred ninety-seven million, eight hundred ninety-three thousand, eight hundred seventy-two".