1085840104 has 8 divisors (see below), whose sum is σ = 2035950210. Its totient is φ = 542920048.

The previous prime is 1085840089. The next prime is 1085840141. The reversal of 1085840104 is 4010485801.

It can be written as a sum of positive squares in only one way, i.e., 929640100 + 156200004 = 30490^2 + 12498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 67864999 + ... + 67865014.

Almost surely, 2^1085840104 is an apocalyptic number.

It is an amenable number.

1085840104 is a deficient number, since it is larger than the sum of its proper divisors (950110106).

1085840104 is a wasteful number, since it uses less digits than its factorization.

1085840104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135730019 (or 135730015 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 1085840104 is about 32952.0880066802. The cubic root of 1085840104 is about 1027.8315847992.

The spelling of 1085840104 in words is "one billion, eighty-five million, eight hundred forty thousand, one hundred four".