120944252129 has 2 divisors, whose sum is σ = 120944252130. Its totient is φ = 120944252128.

The previous prime is 120944252123. The next prime is 120944252147. The reversal of 120944252129 is 921252449021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99114780625 + 21829471504 = 314825^2 + 147748^2 .

It is a cyclic number.

It is not a de Polignac number, because 120944252129 - 2²⁸ = 120675816673 is a prime.

It is not a weakly prime, because it can be changed into another prime (120944252123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60472126064 + 60472126065.

It is an arithmetic number, because the mean of its divisors is an integer number (60472126065).

Almost surely, 2^120944252129 is an apocalyptic number.

It is an amenable number.

120944252129 is a deficient number, since it is larger than the sum of its proper divisors (1).

120944252129 is an equidigital number, since it uses as much as digits as its factorization.

120944252129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 120944252129 in words is "one hundred twenty billion, nine hundred forty-four million, two hundred fifty-two thousand, one hundred twenty-nine".