105499956 has 24 divisors (see below), whose sum is σ = 246826720. Its totient is φ = 35072352.

The previous prime is 105499939. The next prime is 105499963. The reversal of 105499956 is 659994501.

It is a super-2 number, since 2×105499956² = 22260481432003872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7051 + ... + 16146.

Almost surely, 2^105499956 is an apocalyptic number.

It is an amenable number.

105499956 is an abundant number, since it is smaller than the sum of its proper divisors (141326764).

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

105499956 is a wasteful number, since it uses less digits than its factorization.

105499956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23583 (or 23581 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 105499956 is about 10271.3171502004. The cubic root of 105499956 is about 472.5169871556.

The spelling of 105499956 in words is "one hundred five million, four hundred ninety-nine thousand, nine hundred fifty-six".