105140122 has 4 divisors (see below), whose sum is σ = 157710186. Its totient is φ = 52570060.

The previous prime is 105140111. The next prime is 105140173. The reversal of 105140122 is 221041501.

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

It can be written as a sum of positive squares in only one way, i.e., 105083001 + 57121 = 10251^2 + 239^2 .

It is a super-2 number, since 2×105140122² = 22108890508349768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105140096 and 105140105.

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 as a sum of consecutive naturals, namely, 26285029 + ... + 26285032.

Almost surely, 2^105140122 is an apocalyptic number.

105140122 is a deficient number, since it is larger than the sum of its proper divisors (52570064).

105140122 is an equidigital number, since it uses as much as digits as its factorization.

105140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52570063.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 105140122 is about 10253.7857399109. The cubic root of 105140122 is about 471.9791627543.

Adding to 105140122 its reverse (221041501), we get a palindrome (326181623).

The spelling of 105140122 in words is "one hundred five million, one hundred forty thousand, one hundred twenty-two".