1085771234 has 8 divisors (see below), whose sum is σ = 1629425388. Its totient is φ = 542629440.

The previous prime is 1085771233. The next prime is 1085771243. The reversal of 1085771234 is 4321775801.

It can be written as a sum of positive squares in 2 ways, for example, as 1075512025 + 10259209 = 32795^2 + 3203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1085771231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122747 + ... + 131294.

Almost surely, 2^1085771234 is an apocalyptic number.

1085771234 is a deficient number, since it is larger than the sum of its proper divisors (543654154).

1085771234 is a wasteful number, since it uses less digits than its factorization.

1085771234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256180.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 1085771234 is about 32951.0429880452. The cubic root of 1085771234 is about 1027.8098540804.

The spelling of 1085771234 in words is "one billion, eighty-five million, seven hundred seventy-one thousand, two hundred thirty-four".