105123119 has 2 divisors, whose sum is σ = 105123120. Its totient is φ = 105123118.

The previous prime is 105123079. The next prime is 105123127. The reversal of 105123119 is 911321501.

It is a strong prime.

It is an emirp because it is prime and its reverse (911321501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105123119 - 2⁸ = 105122863 is a prime.

It is a super-2 number, since 2×105123119² = 22101740296576322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 105123094 and 105123103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105123169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52561559 + 52561560.

It is an arithmetic number, because the mean of its divisors is an integer number (52561560).

Almost surely, 2^105123119 is an apocalyptic number.

105123119 is a deficient number, since it is larger than the sum of its proper divisors (1).

105123119 is an equidigital number, since it uses as much as digits as its factorization.

105123119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 105123119 is about 10252.9565979770. The cubic root of 105123119 is about 471.9537189492.

It can be divided in two parts, 10512 and 3119, that added together give a palindrome (13631).

The spelling of 105123119 in words is "one hundred five million, one hundred twenty-three thousand, one hundred nineteen".