1085770520 has 32 divisors (see below), whose sum is σ = 2444411520. Its totient is φ = 434054400.

The previous prime is 1085770519. The next prime is 1085770531. The reversal of 1085770520 is 250775801.

It is a congruent number.

It is an unprimeable number.

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, 71084 + ... + 84996.

It is an arithmetic number, because the mean of its divisors is an integer number (76387860).

Almost surely, 2^1085770520 is an apocalyptic number.

1085770520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085770520 is an abundant number, since it is smaller than the sum of its proper divisors (1358641000).

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

1085770520 is a wasteful number, since it uses less digits than its factorization.

1085770520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15875 (or 15871 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 1085770520 is about 32951.0321537884. The cubic root of 1085770520 is about 1027.8096287854.

The spelling of 1085770520 in words is "one billion, eighty-five million, seven hundred seventy thousand, five hundred twenty".