120133387 has 4 divisors (see below), whose sum is σ = 131054616. Its totient is φ = 109212160.

The previous prime is 120133361. The next prime is 120133411. The reversal of 120133387 is 783331021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783331021 = 11 ⋅71211911.

It is a cyclic number.

It is not a de Polignac number, because 120133387 - 2⁷ = 120133259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120133337) 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 3 ways as a sum of consecutive naturals, for example, 5460598 + ... + 5460619.

It is an arithmetic number, because the mean of its divisors is an integer number (32763654).

Almost surely, 2^120133387 is an apocalyptic number.

120133387 is a deficient number, since it is larger than the sum of its proper divisors (10921229).

120133387 is a wasteful number, since it uses less digits than its factorization.

120133387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921228.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 120133387 is about 10960.5377149116. The cubic root of 120133387 is about 493.4251030988.

It can be divided in two parts, 12013 and 3387, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 120133387 in words is "one hundred twenty million, one hundred thirty-three thousand, three hundred eighty-seven".