122792105 has 8 divisors (see below), whose sum is σ = 156018312. Its totient is φ = 92455168.

The previous prime is 122792077. The next prime is 122792107. The reversal of 122792105 is 501297221.

It can be written as a sum of positive squares in 4 ways, for example, as 60902416 + 61889689 = 7804^2 + 7867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122792105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122792107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722222 + ... + 722391.

It is an arithmetic number, because the mean of its divisors is an integer number (19502289).

Almost surely, 2^122792105 is an apocalyptic number.

It is an amenable number.

122792105 is a deficient number, since it is larger than the sum of its proper divisors (33226207).

122792105 is a wasteful number, since it uses less digits than its factorization.

122792105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444635.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 122792105 is about 11081.1599122114. The cubic root of 122792105 is about 497.0386352648.

The spelling of 122792105 in words is "one hundred twenty-two million, seven hundred ninety-two thousand, one hundred five".