120422129 has 2 divisors, whose sum is σ = 120422130. Its totient is φ = 120422128.

The previous prime is 120422119. The next prime is 120422147. The reversal of 120422129 is 921224021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83759104 + 36663025 = 9152^2 + 6055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120422129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120422119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60211064 + 60211065.

It is an arithmetic number, because the mean of its divisors is an integer number (60211065).

Almost surely, 2^120422129 is an apocalyptic number.

It is an amenable number.

120422129 is a deficient number, since it is larger than the sum of its proper divisors (1).

120422129 is an equidigital number, since it uses as much as digits as its factorization.

120422129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 120422129 is about 10973.7016999734. The cubic root of 120422129 is about 493.8201044719.

The spelling of 120422129 in words is "one hundred twenty million, four hundred twenty-two thousand, one hundred twenty-nine".