122716105 has 4 divisors (see below), whose sum is σ = 147259332. Its totient is φ = 98172880.

The previous prime is 122716093. The next prime is 122716127. The reversal of 122716105 is 501617221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76108176 + 46607929 = 8724^2 + 6827^2 .

It is not a de Polignac number, because 122716105 - 2⁷ = 122715977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122716105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12271606 + ... + 12271615.

It is an arithmetic number, because the mean of its divisors is an integer number (36814833).

Almost surely, 2^122716105 is an apocalyptic number.

It is an amenable number.

122716105 is a deficient number, since it is larger than the sum of its proper divisors (24543227).

122716105 is an equidigital number, since it uses as much as digits as its factorization.

122716105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24543226.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 122716105 is about 11077.7301375327. The cubic root of 122716105 is about 496.9360696795.

The spelling of 122716105 in words is "one hundred twenty-two million, seven hundred sixteen thousand, one hundred five".