1085274868 has 6 divisors (see below), whose sum is σ = 1899231026. Its totient is φ = 542637432.

The previous prime is 1085274857. The next prime is 1085274907. The reversal of 1085274868 is 8684725801.

It can be written as a sum of positive squares in only one way, i.e., 746273124 + 339001744 = 27318^2 + 18412^2 .

It is a super-2 number, since 2×1085274868² = 2355643078224834848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135659355 + ... + 135659362.

Almost surely, 2^1085274868 is an apocalyptic number.

It is an amenable number.

1085274868 is a deficient number, since it is larger than the sum of its proper divisors (813956158).

1085274868 is a wasteful number, since it uses less digits than its factorization.

1085274868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271318721 (or 271318719 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The square root of 1085274868 is about 32943.5102561946. The cubic root of 1085274868 is about 1027.6532073233.

The spelling of 1085274868 in words is "one billion, eighty-five million, two hundred seventy-four thousand, eight hundred sixty-eight".