1170520640 has 28 divisors (see below), whose sum is σ = 2787303036. Its totient is φ = 468208128.

The previous prime is 1170520639. The next prime is 1170520657. The reversal of 1170520640 is 460250711.

It can be written as a sum of positive squares in 2 ways, for example, as 746819584 + 423701056 = 27328^2 + 20584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828619 + ... + 1829258.

It is an arithmetic number, because the mean of its divisors is an integer number (99546537).

Almost surely, 2^1170520640 is an apocalyptic number.

1170520640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1170520640 is an abundant number, since it is smaller than the sum of its proper divisors (1616782396).

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

1170520640 is an equidigital number, since it uses as much as digits as its factorization.

1170520640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657894 (or 3657884 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1170520640 is about 34212.8724312940. The cubic root of 1170520640 is about 1053.8845198719.

The spelling of 1170520640 in words is "one billion, one hundred seventy million, five hundred twenty thousand, six hundred forty".