1080997318 has 4 divisors (see below), whose sum is σ = 1621495980. Its totient is φ = 540498658.

The previous prime is 1080997303. The next prime is 1080997319. The reversal of 1080997318 is 8137990801.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080997319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270249328 + ... + 270249331.

It is an arithmetic number, because the mean of its divisors is an integer number (405373995).

Almost surely, 2^1080997318 is an apocalyptic number.

1080997318 is a deficient number, since it is larger than the sum of its proper divisors (540498662).

1080997318 is an equidigital number, since it uses as much as digits as its factorization.

1080997318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540498661.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 1080997318 is about 32878.5236590696. The cubic root of 1080997318 is about 1026.3012837685.

The spelling of 1080997318 in words is "one billion, eighty million, nine hundred ninety-seven thousand, three hundred eighteen".