120142133 has 4 divisors (see below), whose sum is σ = 125365728. Its totient is φ = 114918540.

The previous prime is 120142117. The next prime is 120142147. The reversal of 120142133 is 331241021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120142133 - 2⁴ = 120142117 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 (120142333) 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, 2611763 + ... + 2611808.

It is an arithmetic number, because the mean of its divisors is an integer number (31341432).

Almost surely, 2^120142133 is an apocalyptic number.

It is an amenable number.

120142133 is a deficient number, since it is larger than the sum of its proper divisors (5223595).

120142133 is an equidigital number, since it uses as much as digits as its factorization.

120142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223594.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120142133 is about 10960.9366844262. The cubic root of 120142133 is about 493.4370769870.

Adding to 120142133 its reverse (331241021), we get a palindrome (451383154).

It can be divided in two parts, 1201 and 42133, that added together give a palindrome (43334).

The spelling of 120142133 in words is "one hundred twenty million, one hundred forty-two thousand, one hundred thirty-three".