122412503 has 4 divisors (see below), whose sum is σ = 123145680. Its totient is φ = 121679328.

The previous prime is 122412481. The next prime is 122412517. The reversal of 122412503 is 305214221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122412503 - 2⁶ = 122412439 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 (122412523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366338 + ... + 366671.

It is an arithmetic number, because the mean of its divisors is an integer number (30786420).

Almost surely, 2^122412503 is an apocalyptic number.

122412503 is a deficient number, since it is larger than the sum of its proper divisors (733177).

122412503 is an equidigital number, since it uses as much as digits as its factorization.

122412503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733176.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122412503 is about 11064.0183929710. The cubic root of 122412503 is about 496.5259214625.

Adding to 122412503 its reverse (305214221), we get a palindrome (427626724).

The spelling of 122412503 in words is "one hundred twenty-two million, four hundred twelve thousand, five hundred three".