105155112 has 32 divisors (see below), whose sum is σ = 263203200. Its totient is φ = 35009664.

The previous prime is 105155087. The next prime is 105155117. The reversal of 105155112 is 211551501.

It is a super-2 number, since 2×105155112² = 22115195159465088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105155117) 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, 22828 + ... + 27044.

It is an arithmetic number, because the mean of its divisors is an integer number (8225100).

Almost surely, 2^105155112 is an apocalyptic number.

105155112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105155112 is an abundant number, since it is smaller than the sum of its proper divisors (158048088).

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

105155112 is a wasteful number, since it uses less digits than its factorization.

105155112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5261 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 105155112 is about 10254.5166634025. The cubic root of 105155112 is about 472.0015919701.

The spelling of 105155112 in words is "one hundred five million, one hundred fifty-five thousand, one hundred twelve".