1172080320 has 56 divisors (see below), whose sum is σ = 3721358064. Its totient is φ = 312554496.

The previous prime is 1172080307. The next prime is 1172080331. The reversal of 1172080320 is 230802711.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609499 + ... + 611418.

Almost surely, 2^1172080320 is an apocalyptic number.

1172080320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1172080320 is an abundant number, since it is smaller than the sum of its proper divisors (2549277744).

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

1172080320 is a wasteful number, since it uses less digits than its factorization.

1172080320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220937 (or 1220927 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1172080320 is about 34235.6586032750. The cubic root of 1172080320 is about 1054.3524008653.

The spelling of 1172080320 in words is "one billion, one hundred seventy-two million, eighty thousand, three hundred twenty".