1080651 has 24 divisors (see below), whose sum is σ = 1713040. Its totient is φ = 601920.

The previous prime is 1080649. The next prime is 1080661. The reversal of 1080651 is 1560801.

It is not a de Polignac number, because 1080651 - 2¹ = 1080649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4605 + ... + 4833.

2^1080651 is an apocalyptic number.

1080651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1080651 is a deficient number, since it is larger than the sum of its proper divisors (632389).

1080651 is a wasteful number, since it uses less digits than its factorization.

1080651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1080651 is about 1039.5436498772. The cubic root of 1080651 is about 102.6191673700.

The spelling of 1080651 in words is "one million, eighty thousand, six hundred fifty-one".