105181086 has 32 divisors (see below), whose sum is σ = 220268160. Its totient is φ = 33438944.

The previous prime is 105181073. The next prime is 105181117. The reversal of 105181086 is 680181501.

It is a happy number.

It is a super-2 number, since 2×105181086² = 22126121704278792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10801 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (6883380).

Almost surely, 2^105181086 is an apocalyptic number.

105181086 is an abundant number, since it is smaller than the sum of its proper divisors (115087074).

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

105181086 is a wasteful number, since it uses less digits than its factorization.

105181086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 105181086 is about 10255.7830515276. The cubic root of 105181086 is about 472.0404512636.

The spelling of 105181086 in words is "one hundred five million, one hundred eighty-one thousand, eighty-six".