1169982025 has 9 divisors (see below), whose sum is σ = 1450989813. Its totient is φ = 935848800.

The previous prime is 1169981993. The next prime is 1169982029. The reversal of 1169982025 is 5202899611.

The square root of 1169982025 is 34205.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 19686969 + 1150295056 = 4437^2 + 33916^2 .

It is not a de Polignac number, because 1169982025 - 2⁵ = 1169981993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1169982029) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 167605 + ... + 174445.

Almost surely, 2^1169982025 is an apocalyptic number.

1169982025 is the 34205-th square number.

1169982025 is the 17103-rd centered octagonal number.

It is an amenable number.

1169982025 is a deficient number, since it is larger than the sum of its proper divisors (281007788).

1169982025 is an frugal number, since it uses more digits than its factorization.

1169982025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13692 (or 6846 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The cubic root of 1169982025 is about 1053.7228467726.

The spelling of 1169982025 in words is "one billion, one hundred sixty-nine million, nine hundred eighty-two thousand, twenty-five".