120231133 has 4 divisors (see below), whose sum is σ = 131161248. Its totient is φ = 109301020.

The previous prime is 120231121. The next prime is 120231169. The reversal of 120231133 is 331132021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331132021 = 11 ⋅30102911.

It is a cyclic number.

It is not a de Polignac number, because 120231133 - 2¹³ = 120222941 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 (120231173) 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, 5465041 + ... + 5465062.

It is an arithmetic number, because the mean of its divisors is an integer number (32790312).

Almost surely, 2^120231133 is an apocalyptic number.

It is an amenable number.

120231133 is a deficient number, since it is larger than the sum of its proper divisors (10930115).

120231133 is a wasteful number, since it uses less digits than its factorization.

120231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930114.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 120231133 is about 10964.9958048328. The cubic root of 120231133 is about 493.5588912056.

Adding to 120231133 its reverse (331132021), we get a palindrome (451363154).

The spelling of 120231133 in words is "one hundred twenty million, two hundred thirty-one thousand, one hundred thirty-three".