1080992657 has 4 divisors (see below), whose sum is σ = 1081111920. Its totient is φ = 1080873396.

The previous prime is 1080992641. The next prime is 1080992659. The reversal of 1080992657 is 7562990801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1080992657 - 2⁴ = 1080992641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080992659) 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 3 ways as a sum of consecutive naturals, for example, 44807 + ... + 64572.

It is an arithmetic number, because the mean of its divisors is an integer number (270277980).

Almost surely, 2^1080992657 is an apocalyptic number.

It is an amenable number.

1080992657 is a deficient number, since it is larger than the sum of its proper divisors (119263).

1080992657 is an equidigital number, since it uses as much as digits as its factorization.

1080992657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119262.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1080992657 is about 32878.4527768568. The cubic root of 1080992657 is about 1026.2998087117.

The spelling of 1080992657 in words is "one billion, eighty million, nine hundred ninety-two thousand, six hundred fifty-seven".