120638033 has 4 divisors (see below), whose sum is σ = 120710820. Its totient is φ = 120565248.

The previous prime is 120638003. The next prime is 120638047. The reversal of 120638033 is 330836021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330836021 = 11699 ⋅28279.

It can be written as a sum of positive squares in 2 ways, for example, as 50865424 + 69772609 = 7132^2 + 8353^2 .

It is a cyclic number.

It is not a de Polignac number, because 120638033 - 2¹⁰ = 120637009 is a prime.

It is a super-2 number, since 2×120638033² = 29107070012218178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120637993 and 120638011.

It is not an unprimeable number, because it can be changed into a prime (120638003) 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, 33848 + ... + 37241.

It is an arithmetic number, because the mean of its divisors is an integer number (30177705).

Almost surely, 2^120638033 is an apocalyptic number.

It is an amenable number.

120638033 is a deficient number, since it is larger than the sum of its proper divisors (72787).

120638033 is an equidigital number, since it uses as much as digits as its factorization.

120638033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72786.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 120638033 is about 10983.5346314381. The cubic root of 120638033 is about 494.1150504868.

The spelling of 120638033 in words is "one hundred twenty million, six hundred thirty-eight thousand, thirty-three".