1085771292 has 24 divisors (see below), whose sum is σ = 2534221200. Its totient is φ = 361815936.

The previous prime is 1085771279. The next prime is 1085771329. The reversal of 1085771292 is 2921775801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35634 + ... + 58662.

It is an arithmetic number, because the mean of its divisors is an integer number (105592550).

Almost surely, 2^1085771292 is an apocalyptic number.

1085771292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1085771292 is an abundant number, since it is smaller than the sum of its proper divisors (1448449908).

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

1085771292 is a wasteful number, since it uses less digits than its factorization.

1085771292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965 (or 26963 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1085771292 is about 32951.0438681387. The cubic root of 1085771292 is about 1027.8098723816.

The spelling of 1085771292 in words is "one billion, eighty-five million, seven hundred seventy-one thousand, two hundred ninety-two".