102239086 has 8 divisors (see below), whose sum is σ = 153925344. Its totient is φ = 50930640.

The previous prime is 102239083. The next prime is 102239089. The reversal of 102239086 is 680932201.

It is an interprime number because it is at equal distance from previous prime (102239083) and next prime (102239089).

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

It is a super-2 number, since 2×102239086² = 20905661412230792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102239083) 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, 93775 + ... + 94858.

It is an arithmetic number, because the mean of its divisors is an integer number (19240668).

Almost surely, 2^102239086 is an apocalyptic number.

102239086 is a deficient number, since it is larger than the sum of its proper divisors (51686258).

102239086 is a wasteful number, since it uses less digits than its factorization.

102239086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188906.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 102239086 is about 10111.3345311091. The cubic root of 102239086 is about 467.5976495382.

The spelling of 102239086 in words is "one hundred two million, two hundred thirty-nine thousand, eighty-six".