1232120033 has 8 divisors (see below), whose sum is σ = 1311808680. Its totient is φ = 1153232640.

The previous prime is 1232120003. The next prime is 1232120039. The reversal of 1232120033 is 3300212321.

It can be written as a sum of positive squares in 4 ways, for example, as 93934864 + 1138185169 = 9692^2 + 33737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232120033 - 2²² = 1227925729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232119993 and 1232120020.

It is not an unprimeable number, because it can be changed into a prime (1232120039) 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 7 ways as a sum of consecutive naturals, for example, 197138 + ... + 203291.

It is an arithmetic number, because the mean of its divisors is an integer number (163976085).

Almost surely, 2^1232120033 is an apocalyptic number.

It is an amenable number.

1232120033 is a deficient number, since it is larger than the sum of its proper divisors (79688647).

1232120033 is a wasteful number, since it uses less digits than its factorization.

1232120033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400627.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1232120033 is about 35101.5673866567. The cubic root of 1232120033 is about 1072.0564965328.

Adding to 1232120033 its reverse (3300212321), we get a palindrome (4532332354).

The spelling of 1232120033 in words is "one billion, two hundred thirty-two million, one hundred twenty thousand, thirty-three".