120455129 has 4 divisors (see below), whose sum is σ = 120924084. Its totient is φ = 119986176.

The previous prime is 120455099. The next prime is 120455131. The reversal of 120455129 is 921554021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921554021 = 12163 ⋅75767.

It can be written as a sum of positive squares in 2 ways, for example, as 119137225 + 1317904 = 10915^2 + 1148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120455129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120455029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234092 + ... + 234605.

It is an arithmetic number, because the mean of its divisors is an integer number (30231021).

Almost surely, 2^120455129 is an apocalyptic number.

It is an amenable number.

120455129 is a deficient number, since it is larger than the sum of its proper divisors (468955).

120455129 is an equidigital number, since it uses as much as digits as its factorization.

120455129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468954.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 120455129 is about 10975.2051917037. The cubic root of 120455129 is about 493.8652085162.

The spelling of 120455129 in words is "one hundred twenty million, four hundred fifty-five thousand, one hundred twenty-nine".