302120029 has 2 divisors, whose sum is σ = 302120030. Its totient is φ = 302120028.

The previous prime is 302119997. The next prime is 302120033. The reversal of 302120029 is 920021203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210917529 + 91202500 = 14523^2 + 9550^2 .

It is a cyclic number.

It is not a de Polignac number, because 302120029 - 2⁵ = 302119997 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 302119988 and 302120015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302120099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151060014 + 151060015.

It is an arithmetic number, because the mean of its divisors is an integer number (151060015).

Almost surely, 2^302120029 is an apocalyptic number.

It is an amenable number.

302120029 is a deficient number, since it is larger than the sum of its proper divisors (1).

302120029 is an equidigital number, since it uses as much as digits as its factorization.

302120029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 302120029 is about 17381.6003003176. The cubic root of 302120029 is about 671.0061581269.

The spelling of 302120029 in words is "three hundred two million, one hundred twenty thousand, twenty-nine".