120534123 has 16 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 77986656.

The previous prime is 120534091. The next prime is 120534151. The reversal of 120534123 is 321435021.

It is not a de Polignac number, because 120534123 - 2⁵ = 120534091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120534123.

It is not an unprimeable number, because it can be changed into a prime (120534163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52036 + ... + 54302.

It is an arithmetic number, because the mean of its divisors is an integer number (10342080).

Almost surely, 2^120534123 is an apocalyptic number.

120534123 is a deficient number, since it is larger than the sum of its proper divisors (44939157).

120534123 is a wasteful number, since it uses less digits than its factorization.

120534123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120534123 is about 10978.8033500924. The cubic root of 120534123 is about 493.9731432126.

Adding to 120534123 its reverse (321435021), we get a palindrome (441969144).

The spelling of 120534123 in words is "one hundred twenty million, five hundred thirty-four thousand, one hundred twenty-three".