122690123 has 2 divisors, whose sum is σ = 122690124. Its totient is φ = 122690122.

The previous prime is 122690107. The next prime is 122690131. The reversal of 122690123 is 321096221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122690123 - 2⁴ = 122690107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122690092 and 122690101.

It is not a weakly prime, because it can be changed into another prime (122690143) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61345061 + 61345062.

It is an arithmetic number, because the mean of its divisors is an integer number (61345062).

Almost surely, 2^122690123 is an apocalyptic number.

122690123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122690123 is an equidigital number, since it uses as much as digits as its factorization.

122690123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 122690123 is about 11076.5573622854. The cubic root of 122690123 is about 496.9009960319.

The spelling of 122690123 in words is "one hundred twenty-two million, six hundred ninety thousand, one hundred twenty-three".