120638233 has 4 divisors (see below), whose sum is σ = 120677220. Its totient is φ = 120599248.

The previous prime is 120638213. The next prime is 120638251. The reversal of 120638233 is 332836021.

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 70341769 + 50296464 = 8387^2 + 7092^2 .

It is a cyclic number.

It is not a de Polignac number, because 120638233 - 2¹⁷ = 120507161 is a prime.

It is a super-2 number, since 2×120638233² = 29107166522724578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120638213) 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, 14410 + ... + 21187.

It is an arithmetic number, because the mean of its divisors is an integer number (30169305).

Almost surely, 2^120638233 is an apocalyptic number.

It is an amenable number.

120638233 is a deficient number, since it is larger than the sum of its proper divisors (38987).

120638233 is an equidigital number, since it uses as much as digits as its factorization.

120638233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38986.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 120638233 is about 10983.5437359716. The cubic root of 120638233 is about 494.1153235432.

The spelling of 120638233 in words is "one hundred twenty million, six hundred thirty-eight thousand, two hundred thirty-three".