122133503 has 4 divisors (see below), whose sum is σ = 122531640. Its totient is φ = 121735368.

The previous prime is 122133449. The next prime is 122133509. The reversal of 122133503 is 305331221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305331221 = 13 ⋅23487017.

It is a cyclic number.

It is not a de Polignac number, because 122133503 - 2⁸ = 122133247 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 (122133509) 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, 198608 + ... + 199221.

It is an arithmetic number, because the mean of its divisors is an integer number (30632910).

Almost surely, 2^122133503 is an apocalyptic number.

122133503 is a deficient number, since it is larger than the sum of its proper divisors (398137).

122133503 is an equidigital number, since it uses as much as digits as its factorization.

122133503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398136.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 122133503 is about 11051.4027616407. The cubic root of 122133503 is about 496.1484107029.

Adding to 122133503 its reverse (305331221), we get a palindrome (427464724).

The spelling of 122133503 in words is "one hundred twenty-two million, one hundred thirty-three thousand, five hundred three".