1320982695 has 128 divisors (see below), whose sum is σ = 2626560000. Its totient is φ = 627056640.

The previous prime is 1320982681. The next prime is 1320982699. The reversal of 1320982695 is 5962890231.

It is not a de Polignac number, because 1320982695 - 2¹³ = 1320974503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 1305577305 it forms an amicable pair .

It is a self number, because there is not a number n which added to its sum of digits gives 1320982695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320982699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2941831 + ... + 2942279.

It is an arithmetic number, because the mean of its divisors is an integer number (20520000).

Almost surely, 2^1320982695 is an apocalyptic number.

1320982695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1320982695 is a deficient number, since it is larger than the sum of its proper divisors (1305577305).

1320982695 is a wasteful number, since it uses less digits than its factorization.

1320982695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1320982695 is about 36345.3256279264. The cubic root of 1320982695 is about 1097.2334597288.

The spelling of 1320982695 in words is "one billion, three hundred twenty million, nine hundred eighty-two thousand, six hundred ninety-five".