120550142 has 4 divisors (see below), whose sum is σ = 180825216. Its totient is φ = 60275070.

The previous prime is 120550141. The next prime is 120550147. The reversal of 120550142 is 241055021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241055021 = 577 ⋅417773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120550141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30137534 + ... + 30137537.

It is an arithmetic number, because the mean of its divisors is an integer number (45206304).

Almost surely, 2^120550142 is an apocalyptic number.

120550142 is a deficient number, since it is larger than the sum of its proper divisors (60275074).

120550142 is an equidigital number, since it uses as much as digits as its factorization.

120550142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60275073.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 120550142 is about 10979.5328680231. The cubic root of 120550142 is about 493.9950252740.

The spelling of 120550142 in words is "one hundred twenty million, five hundred fifty thousand, one hundred forty-two".