1085772028 has 24 divisors (see below), whose sum is σ = 2092970880. Its totient is φ = 488739120.

The previous prime is 1085772007. The next prime is 1085772071. The reversal of 1085772028 is 8202775801.

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, 115258 + ... + 124321.

It is an arithmetic number, because the mean of its divisors is an integer number (87207120).

Almost surely, 2^1085772028 is an apocalyptic number.

It is an amenable number.

1085772028 is a deficient number, since it is larger than the sum of its proper divisors (1007198852).

1085772028 is a wasteful number, since it uses less digits than its factorization.

1085772028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239697 (or 239695 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 1085772028 is about 32951.0550362200. The cubic root of 1085772028 is about 1027.8101046184.

The spelling of 1085772028 in words is "one billion, eighty-five million, seven hundred seventy-two thousand, twenty-eight".