122125229 has 4 divisors (see below), whose sum is σ = 129309084. Its totient is φ = 114941376.

The previous prime is 122125187. The next prime is 122125247. The reversal of 122125229 is 922521221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922521221 = 73 ⋅12637277.

It can be written as a sum of positive squares in 2 ways, for example, as 69272329 + 52852900 = 8323^2 + 7270^2 .

It is a cyclic number.

It is not a de Polignac number, because 122125229 - 2⁸ = 122124973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122125198 and 122125207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122125249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591902 + ... + 3591935.

It is an arithmetic number, because the mean of its divisors is an integer number (32327271).

Almost surely, 2^122125229 is an apocalyptic number.

It is an amenable number.

122125229 is a deficient number, since it is larger than the sum of its proper divisors (7183855).

122125229 is an equidigital number, since it uses as much as digits as its factorization.

122125229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183854.

The product of its digits is 1440, while the sum is 26.

The square root of 122125229 is about 11051.0284136817. The cubic root of 122125229 is about 496.1372065027.

The spelling of 122125229 in words is "one hundred twenty-two million, one hundred twenty-five thousand, two hundred twenty-nine".