1172404480 has 72 divisors (see below), whose sum is σ = 3024339192. Its totient is φ = 432881664.

The previous prime is 1172404447. The next prime is 1172404501. The reversal of 1172404480 is 844042711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56310016 + 1116094464 = 7504^2 + 33408^2 .

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, 18589 + ... + 51868.

It is an arithmetic number, because the mean of its divisors is an integer number (42004711).

Almost surely, 2^1172404480 is an apocalyptic number.

1172404480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1172404480 is an abundant number, since it is smaller than the sum of its proper divisors (1851934712).

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

1172404480 is an equidigital number, since it uses as much as digits as its factorization.

1172404480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70491 (or 70477 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1172404480 is about 34240.3925211146. The cubic root of 1172404480 is about 1054.4495919778.

The spelling of 1172404480 in words is "one billion, one hundred seventy-two million, four hundred four thousand, four hundred eighty".