105555740 has 24 divisors (see below), whose sum is σ = 231305760. Its totient is φ = 40386368.

The previous prime is 105555731. The next prime is 105555787. The reversal of 105555740 is 47555501.

It is a super-2 number, since 2×105555740² = 22284028493895200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105555697 and 105555706.

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, 114275 + ... + 115194.

It is an arithmetic number, because the mean of its divisors is an integer number (9637740).

Almost surely, 2^105555740 is an apocalyptic number.

105555740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105555740 is an abundant number, since it is smaller than the sum of its proper divisors (125750020).

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

105555740 is a wasteful number, since it uses less digits than its factorization.

105555740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229501 (or 229499 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 105555740 is about 10274.0323145297. The cubic root of 105555740 is about 472.6002549412.

The spelling of 105555740 in words is "one hundred five million, five hundred fifty-five thousand, seven hundred forty".