105102122 has 4 divisors (see below), whose sum is σ = 157653186. Its totient is φ = 52551060.

The previous prime is 105102113. The next prime is 105102131. The reversal of 105102122 is 221201501.

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

It is an interprime number because it is at equal distance from previous prime (105102113) and next prime (105102131).

It can be written as a sum of positive squares in only one way, i.e., 97042201 + 8059921 = 9851^2 + 2839^2 .

It is a super-2 number, since 2×105102122² = 22092912097805768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105102097 and 105102106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275529 + ... + 26275532.

Almost surely, 2^105102122 is an apocalyptic number.

105102122 is a deficient number, since it is larger than the sum of its proper divisors (52551064).

105102122 is an equidigital number, since it uses as much as digits as its factorization.

105102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52551063.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 105102122 is about 10251.9325982958. The cubic root of 105102122 is about 471.9222946149.

Adding to 105102122 its reverse (221201501), we get a palindrome (326303623).

The spelling of 105102122 in words is "one hundred five million, one hundred two thousand, one hundred twenty-two".