105068091 has 4 divisors (see below), whose sum is σ = 140090792. Its totient is φ = 70045392.

The previous prime is 105068059. The next prime is 105068099. The reversal of 105068091 is 190860501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105068091 - 2⁵ = 105068059 is a prime.

It is a super-2 number, since 2×105068091² = 22078607492768562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105068099) 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, 17511346 + ... + 17511351.

It is an arithmetic number, because the mean of its divisors is an integer number (35022698).

Almost surely, 2^105068091 is an apocalyptic number.

105068091 is a deficient number, since it is larger than the sum of its proper divisors (35022701).

105068091 is an equidigital number, since it uses as much as digits as its factorization.

105068091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35022700.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 105068091 is about 10250.2727280790. The cubic root of 105068091 is about 471.8713545674.

The spelling of 105068091 in words is "one hundred five million, sixty-eight thousand, ninety-one".