1197089712 has 320 divisors, whose sum is σ = 4348610560. Its totient is φ = 306809856.

The previous prime is 1197089711. The next prime is 1197089723. The reversal of 1197089712 is 2179807911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1197089711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1454133 + ... + 1454955.

It is an arithmetic number, because the mean of its divisors is an integer number (13589408).

Almost surely, 2^1197089712 is an apocalyptic number.

1197089712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1197089712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2174305280).

1197089712 is an abundant number, since it is smaller than the sum of its proper divisors (3151520848).

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

1197089712 is a wasteful number, since it uses less digits than its factorization.

1197089712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The square root of 1197089712 is about 34598.9842625474. The cubic root of 1197089712 is about 1061.7988064078.

The spelling of 1197089712 in words is "one billion, one hundred ninety-seven million, eighty-nine thousand, seven hundred twelve".