1172512768 has 168 divisors, whose sum is σ = 2868728832. Its totient is φ = 476872704.

The previous prime is 1172512703. The next prime is 1172512769. The reversal of 1172512768 is 8672152711.

It is a super-2 number, since 2×1172512768² = 2749572382246043648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1172512768.

It is not an unprimeable number, because it can be changed into a prime (1172512769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9232321 + ... + 9232447.

Almost surely, 2^1172512768 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 1172512768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434364416).

1172512768 is an abundant number, since it is smaller than the sum of its proper divisors (1696216064).

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

1172512768 is an equidigital number, since it uses as much as digits as its factorization.

1172512768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 159 counting only the distinct ones).

The product of its digits is 47040, while the sum is 40.

The square root of 1172512768 is about 34241.9737748863. The cubic root of 1172512768 is about 1054.4820553821.

The spelling of 1172512768 in words is "one billion, one hundred seventy-two million, five hundred twelve thousand, seven hundred sixty-eight".