105381055 has 16 divisors (see below), whose sum is σ = 142107840. Its totient is φ = 74435328.

The previous prime is 105381037. The next prime is 105381161. The reversal of 105381055 is 550183501.

It is a cyclic number.

It is not a de Polignac number, because 105381055 - 2⁷ = 105380927 is a prime.

It is a super-2 number, since 2×105381055² = 22210333505826050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33750 + ... + 36739.

It is an arithmetic number, because the mean of its divisors is an integer number (8881740).

Almost surely, 2^105381055 is an apocalyptic number.

105381055 is a deficient number, since it is larger than the sum of its proper divisors (36726785).

105381055 is a wasteful number, since it uses less digits than its factorization.

105381055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70530.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 105381055 is about 10265.5275071474. The cubic root of 105381055 is about 472.3394077389.

The spelling of 105381055 in words is "one hundred five million, three hundred eighty-one thousand, fifty-five".