1085555874 has 32 divisors (see below), whose sum is σ = 2359990080. Its totient is φ = 330892992.

The previous prime is 1085555789. The next prime is 1085555879. The reversal of 1085555874 is 4785555801.

It is not an unprimeable number, because it can be changed into a prime (1085555879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56689 + ... + 73380.

It is an arithmetic number, because the mean of its divisors is an integer number (73749690).

Almost surely, 2^1085555874 is an apocalyptic number.

1085555874 is an abundant number, since it is smaller than the sum of its proper divisors (1274434206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085555874 is a wasteful number, since it uses less digits than its factorization.

1085555874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130194.

The product of its (nonzero) digits is 1120000, while the sum is 48.

The square root of 1085555874 is about 32947.7749476349. The cubic root of 1085555874 is about 1027.7418950851.

The spelling of 1085555874 in words is "one billion, eighty-five million, five hundred fifty-five thousand, eight hundred seventy-four".