120242133 has 12 divisors (see below), whose sum is σ = 189472608. Its totient is φ = 72873960.

The previous prime is 120242117. The next prime is 120242141. The reversal of 120242133 is 331242021.

It is not a de Polignac number, because 120242133 - 2⁴ = 120242117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120241133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607185 + ... + 607382.

It is an arithmetic number, because the mean of its divisors is an integer number (15789384).

Almost surely, 2^120242133 is an apocalyptic number.

It is an amenable number.

120242133 is a deficient number, since it is larger than the sum of its proper divisors (69230475).

120242133 is a wasteful number, since it uses less digits than its factorization.

120242133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214584 (or 1214581 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120242133 is about 10965.4973895396. The cubic root of 120242133 is about 493.5739427210.

Adding to 120242133 its reverse (331242021), we get a palindrome (451484154).

The spelling of 120242133 in words is "one hundred twenty million, two hundred forty-two thousand, one hundred thirty-three".