102859112 has 32 divisors (see below), whose sum is σ = 209734920. Its totient is φ = 47093760.

The previous prime is 102859111. The next prime is 102859121. The reversal of 102859112 is 211958201.

It can be written as a sum of positive squares in 4 ways, for example, as 99880036 + 2979076 = 9994^2 + 1726^2 .

It is not an unprimeable number, because it can be changed into a prime (102859111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 15252.

Almost surely, 2^102859112 is an apocalyptic number.

It is an amenable number.

102859112 is an abundant number, since it is smaller than the sum of its proper divisors (106875808).

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

102859112 is a wasteful number, since it uses less digits than its factorization.

102859112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501 (or 20497 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 102859112 is about 10141.9481363296. The cubic root of 102859112 is about 468.5409893189.

The spelling of 102859112 in words is "one hundred two million, eight hundred fifty-nine thousand, one hundred twelve".