120031229 has 2 divisors, whose sum is σ = 120031230. Its totient is φ = 120031228.

The previous prime is 120031213. The next prime is 120031243. The reversal of 120031229 is 922130021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102475129 + 17556100 = 10123^2 + 4190^2 .

It is a cyclic number.

It is not a de Polignac number, because 120031229 - 2⁴ = 120031213 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120031229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120031729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60015614 + 60015615.

It is an arithmetic number, because the mean of its divisors is an integer number (60015615).

Almost surely, 2^120031229 is an apocalyptic number.

It is an amenable number.

120031229 is a deficient number, since it is larger than the sum of its proper divisors (1).

120031229 is an equidigital number, since it uses as much as digits as its factorization.

120031229 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 20.

The square root of 120031229 is about 10955.8764596905. The cubic root of 120031229 is about 493.2851985643.

The spelling of 120031229 in words is "one hundred twenty million, thirty-one thousand, two hundred twenty-nine".