1107085861 has 12 divisors (see below), whose sum is σ = 1290099468. Its totient is φ = 947261952.

The previous prime is 1107085829. The next prime is 1107085867. The reversal of 1107085861 is 1685807011.

It can be written as a sum of positive squares in 2 ways, for example, as 1044517761 + 62568100 = 32319^2 + 7910^2 .

It is not a de Polignac number, because 1107085861 - 2⁵ = 1107085829 is a prime.

It is a super-2 number, since 2×1107085861² = 2451278207252222642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1107085861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107085867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8695 + ... + 47851.

It is an arithmetic number, because the mean of its divisors is an integer number (107508289).

Almost surely, 2^1107085861 is an apocalyptic number.

It is an amenable number.

1107085861 is a deficient number, since it is larger than the sum of its proper divisors (183013607).

1107085861 is an equidigital number, since it uses as much as digits as its factorization.

1107085861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39748 (or 39741 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 1107085861 is about 33272.8997984847. The cubic root of 1107085861 is about 1034.4919164442.

The spelling of 1107085861 in words is "one billion, one hundred seven million, eighty-five thousand, eight hundred sixty-one".