105855772 has 12 divisors (see below), whose sum is σ = 202088376. Its totient is φ = 48116240.

The previous prime is 105855751. The next prime is 105855773. The reversal of 105855772 is 277558501.

It is a super-2 number, since 2×105855772² = 22410888931431968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105855773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202863 + ... + 1202950.

It is an arithmetic number, because the mean of its divisors is an integer number (16840698).

Almost surely, 2^105855772 is an apocalyptic number.

It is an amenable number.

105855772 is a deficient number, since it is larger than the sum of its proper divisors (96232604).

105855772 is a wasteful number, since it uses less digits than its factorization.

105855772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405828 (or 2405826 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 40.

The square root of 105855772 is about 10288.6234259011. The cubic root of 105855772 is about 473.0476048912.

The spelling of 105855772 in words is "one hundred five million, eight hundred fifty-five thousand, seven hundred seventy-two".