420122029 has 2 divisors, whose sum is σ = 420122030. Its totient is φ = 420122028.

The previous prime is 420122009. The next prime is 420122041. The reversal of 420122029 is 920221024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294637225 + 125484804 = 17165^2 + 11202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420122029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210061014 + 210061015.

It is an arithmetic number, because the mean of its divisors is an integer number (210061015).

Almost surely, 2^420122029 is an apocalyptic number.

It is an amenable number.

420122029 is a deficient number, since it is larger than the sum of its proper divisors (1).

420122029 is an equidigital number, since it uses as much as digits as its factorization.

420122029 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 22.

The square root of 420122029 is about 20496.8785184476. The cubic root of 420122029 is about 748.9597602391.

The spelling of 420122029 in words is "four hundred twenty million, one hundred twenty-two thousand, twenty-nine".