1080812557 has 8 divisors (see below), whose sum is σ = 1181037312. Its totient is φ = 980916000.

The previous prime is 1080812531. The next prime is 1080812617. The reversal of 1080812557 is 7552180801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1080812557 - 2¹¹ = 1080810509 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 (1080812857) 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 7 ways as a sum of consecutive naturals, for example, 75133 + ... + 88354.

It is an arithmetic number, because the mean of its divisors is an integer number (147629664).

Almost surely, 2^1080812557 is an apocalyptic number.

It is an amenable number.

1080812557 is a deficient number, since it is larger than the sum of its proper divisors (100224755).

1080812557 is a wasteful number, since it uses less digits than its factorization.

1080812557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164099.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 1080812557 is about 32875.7137869279. The cubic root of 1080812557 is about 1026.2428096007.

The spelling of 1080812557 in words is "one billion, eighty million, eight hundred twelve thousand, five hundred fifty-seven".