120033231 has 4 divisors (see below), whose sum is σ = 160044312. Its totient is φ = 80022152.

The previous prime is 120033223. The next prime is 120033259. The reversal of 120033231 is 132330021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132330021 = 3 ⋅44110007.

It is a cyclic number.

It is not a de Polignac number, because 120033231 - 2³ = 120033223 is a prime.

It is a super-2 number, since 2×120033231² = 28815953088598722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120033131) 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, 20005536 + ... + 20005541.

It is an arithmetic number, because the mean of its divisors is an integer number (40011078).

Almost surely, 2^120033231 is an apocalyptic number.

120033231 is a deficient number, since it is larger than the sum of its proper divisors (40011081).

120033231 is an equidigital number, since it uses as much as digits as its factorization.

120033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40011080.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 120033231 is about 10955.9678258016. The cubic root of 120033231 is about 493.2879410492.

Adding to 120033231 its reverse (132330021), we get a palindrome (252363252).

The spelling of 120033231 in words is "one hundred twenty million, thirty-three thousand, two hundred thirty-one".