122312533 has 4 divisors (see below), whose sum is σ = 139785760. Its totient is φ = 104839308.

The previous prime is 122312521. The next prime is 122312549. The reversal of 122312533 is 335213221.

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.

It is not a de Polignac number, because 122312533 - 2¹⁷ = 122181461 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 (122312513) 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, 8736603 + ... + 8736616.

It is an arithmetic number, because the mean of its divisors is an integer number (34946440).

Almost surely, 2^122312533 is an apocalyptic number.

It is an amenable number.

122312533 is a deficient number, since it is larger than the sum of its proper divisors (17473227).

122312533 is an equidigital number, since it uses as much as digits as its factorization.

122312533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17473226.

The product of its digits is 1080, while the sum is 22.

The square root of 122312533 is about 11059.4996722275. The cubic root of 122312533 is about 496.3907195462.

Adding to 122312533 its reverse (335213221), we get a palindrome (457525754).

The spelling of 122312533 in words is "one hundred twenty-two million, three hundred twelve thousand, five hundred thirty-three".