102086190 has 128 divisors (see below), whose sum is σ = 301086720. Its totient is φ = 24482304.

The previous prime is 102086189. The next prime is 102086191. The reversal of 102086190 is 91680201.

It is an interprime number because it is at equal distance from previous prime (102086189) and next prime (102086191).

It is a super-2 number, since 2×102086190² = 20843180377432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102086191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105087 + ... + 106053.

It is an arithmetic number, because the mean of its divisors is an integer number (2352240).

Almost surely, 2^102086190 is an apocalyptic number.

102086190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102086190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150543360).

102086190 is an abundant number, since it is smaller than the sum of its proper divisors (199000530).

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

102086190 is a wasteful number, since it uses less digits than its factorization.

102086190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 102086190 is about 10103.7710781668. The cubic root of 102086190 is about 467.3644397103.

The spelling of 102086190 in words is "one hundred two million, eighty-six thousand, one hundred ninety".