105165122 has 4 divisors (see below), whose sum is σ = 157747686. Its totient is φ = 52582560.

The previous prime is 105165103. The next prime is 105165127. The reversal of 105165122 is 221561501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221561501 = 7 ⋅31651643.

It can be written as a sum of positive squares in only one way, i.e., 104264521 + 900601 = 10211^2 + 949^2 .

It is a super-2 number, since 2×105165122² = 22119405770549768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105165127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26291279 + ... + 26291282.

Almost surely, 2^105165122 is an apocalyptic number.

105165122 is a deficient number, since it is larger than the sum of its proper divisors (52582564).

105165122 is an equidigital number, since it uses as much as digits as its factorization.

105165122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52582563.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 105165122 is about 10255.0047293992. The cubic root of 105165122 is about 472.0165685317.

The spelling of 105165122 in words is "one hundred five million, one hundred sixty-five thousand, one hundred twenty-two".