105123916 has 12 divisors (see below), whose sum is σ = 185096632. Its totient is φ = 52239168.

The previous prime is 105123841. The next prime is 105123943. The reversal of 105123916 is 619321501.

It is a super-2 number, since 2×105123916² = 22102075430350112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 79965 + ... + 81268.

Almost surely, 2^105123916 is an apocalyptic number.

It is an amenable number.

105123916 is a deficient number, since it is larger than the sum of its proper divisors (79972716).

105123916 is a wasteful number, since it uses less digits than its factorization.

105123916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161400 (or 161398 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 105123916 is about 10252.9954647410. The cubic root of 105123916 is about 471.9549116654.

The spelling of 105123916 in words is "one hundred five million, one hundred twenty-three thousand, nine hundred sixteen".