120131533 has 4 divisors (see below), whose sum is σ = 120896860. Its totient is φ = 119366208.

The previous prime is 120131527. The next prime is 120131567. The reversal of 120131533 is 335131021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10259209 + 109872324 = 3203^2 + 10482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120131533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120131533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131513) 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, 382428 + ... + 382741.

It is an arithmetic number, because the mean of its divisors is an integer number (30224215).

Almost surely, 2^120131533 is an apocalyptic number.

It is an amenable number.

120131533 is a deficient number, since it is larger than the sum of its proper divisors (765327).

120131533 is an equidigital number, since it uses as much as digits as its factorization.

120131533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765326.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 120131533 is about 10960.4531384428. The cubic root of 120131533 is about 493.4225647679.

Adding to 120131533 its reverse (335131021), we get a palindrome (455262554).

It can be divided in two parts, 12013153 and 3, that added together give a square (12013156 = 3466²).

The spelling of 120131533 in words is "one hundred twenty million, one hundred thirty-one thousand, five hundred thirty-three".