120123142 has 4 divisors (see below), whose sum is σ = 180184716. Its totient is φ = 60061570.

The previous prime is 120123121. The next prime is 120123167. The reversal of 120123142 is 241321021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241321021 = 9151 ⋅26371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30030784 + ... + 30030787.

It is an arithmetic number, because the mean of its divisors is an integer number (45046179).

Almost surely, 2^120123142 is an apocalyptic number.

120123142 is a deficient number, since it is larger than the sum of its proper divisors (60061574).

120123142 is an equidigital number, since it uses as much as digits as its factorization.

120123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60061573.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120123142 is about 10960.0703464896. The cubic root of 120123142 is about 493.4110762352.

Adding to 120123142 its reverse (241321021), we get a palindrome (361444163).

The spelling of 120123142 in words is "one hundred twenty million, one hundred twenty-three thousand, one hundred forty-two".