1085601699 has 24 divisors (see below), whose sum is σ = 1929960032. Its totient is φ = 572624640.

The previous prime is 1085601677. The next prime is 1085601739. The reversal of 1085601699 is 9961065801.

It is not a de Polignac number, because 1085601699 - 2⁸ = 1085601443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085601659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661942 + ... + 663579.

Almost surely, 2^1085601699 is an apocalyptic number.

1085601699 is a deficient number, since it is larger than the sum of its proper divisors (844358333).

1085601699 is a wasteful number, since it uses less digits than its factorization.

1085601699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325547 (or 1325544 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 1085601699 is about 32948.4703590318. The cubic root of 1085601699 is about 1027.7563563735.

The spelling of 1085601699 in words is "one billion, eighty-five million, six hundred one thousand, six hundred ninety-nine".