105440122 has 4 divisors (see below), whose sum is σ = 158160186. Its totient is φ = 52720060.

The previous prime is 105440117. The next prime is 105440123. The reversal of 105440122 is 221044501.

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., 90992521 + 14447601 = 9539^2 + 3801^2 .

It is a super-2 number, since 2×105440122² = 22235238654749768, 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 105440122.

It is not an unprimeable number, because it can be changed into a prime (105440123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26360029 + ... + 26360032.

Almost surely, 2^105440122 is an apocalyptic number.

105440122 is a deficient number, since it is larger than the sum of its proper divisors (52720064).

105440122 is an equidigital number, since it uses as much as digits as its factorization.

105440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52720063.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 105440122 is about 10268.4040629496. The cubic root of 105440122 is about 472.4276413742.

Adding to 105440122 its reverse (221044501), we get a palindrome (326484623).

The spelling of 105440122 in words is "one hundred five million, four hundred forty thousand, one hundred twenty-two".