105180988 has 12 divisors (see below), whose sum is σ = 200800152. Its totient is φ = 47809520.

The previous prime is 105180961. The next prime is 105180997. The reversal of 105180988 is 889081501.

It is a super-2 number, since 2×105180988² = 22126080473312288, 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 105180988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195195 + ... + 1195282.

It is an arithmetic number, because the mean of its divisors is an integer number (16733346).

Almost surely, 2^105180988 is an apocalyptic number.

It is an amenable number.

105180988 is a deficient number, since it is larger than the sum of its proper divisors (95619164).

105180988 is a wasteful number, since it uses less digits than its factorization.

105180988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390492 (or 2390490 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 105180988 is about 10255.7782737343. The cubic root of 105180988 is about 472.0403046594.

The spelling of 105180988 in words is "one hundred five million, one hundred eighty thousand, nine hundred eighty-eight".