105192881 has 4 divisors (see below), whose sum is σ = 106762992. Its totient is φ = 103622772.

The previous prime is 105192859. The next prime is 105192907. The reversal of 105192881 is 188291501.

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 105192881 - 2⁶ = 105192817 is a prime.

It is a super-2 number, since 2×105192881² = 22131084426160322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105191881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 784955 + ... + 785088.

It is an arithmetic number, because the mean of its divisors is an integer number (26690748).

Almost surely, 2^105192881 is an apocalyptic number.

It is an amenable number.

105192881 is a deficient number, since it is larger than the sum of its proper divisors (1570111).

105192881 is an equidigital number, since it uses as much as digits as its factorization.

105192881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570110.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 105192881 is about 10256.3580768224. The cubic root of 105192881 is about 472.0580954657.

The spelling of 105192881 in words is "one hundred five million, one hundred ninety-two thousand, eight hundred eighty-one".