120142101 has 8 divisors (see below), whose sum is σ = 160541824. Its totient is φ = 79918560.

The previous prime is 120142067. The next prime is 120142109. The reversal of 120142101 is 101241021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120142101 - 2⁶ = 120142037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42445 + ... + 45186.

It is an arithmetic number, because the mean of its divisors is an integer number (20067728).

Almost surely, 2^120142101 is an apocalyptic number.

It is an amenable number.

120142101 is a deficient number, since it is larger than the sum of its proper divisors (40399723).

120142101 is an equidigital number, since it uses as much as digits as its factorization.

120142101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88091.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120142101 is about 10960.9352246968. The cubic root of 120142101 is about 493.4370331778.

Adding to 120142101 its reverse (101241021), we get a palindrome (221383122).

The spelling of 120142101 in words is "one hundred twenty million, one hundred forty-two thousand, one hundred one".