105205929 has 4 divisors (see below), whose sum is σ = 140274576. Its totient is φ = 70137284.

The previous prime is 105205913. The next prime is 105205937. The reversal of 105205929 is 929502501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105205929 - 2⁴ = 105205913 is a prime.

It is a super-2 number, since 2×105205929² = 22136574993506082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105205929.

It is not an unprimeable number, because it can be changed into a prime (105205729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17534319 + ... + 17534324.

It is an arithmetic number, because the mean of its divisors is an integer number (35068644).

Almost surely, 2^105205929 is an apocalyptic number.

It is an amenable number.

105205929 is a deficient number, since it is larger than the sum of its proper divisors (35068647).

105205929 is an equidigital number, since it uses as much as digits as its factorization.

105205929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35068646.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 105205929 is about 10256.9941503347. The cubic root of 105205929 is about 472.0776125006.

The spelling of 105205929 in words is "one hundred five million, two hundred five thousand, nine hundred twenty-nine".