122217903 has 20 divisors (see below), whose sum is σ = 188465728. Its totient is φ = 78848640.

The previous prime is 122217877. The next prime is 122217917. The reversal of 122217903 is 309712221.

It is not a de Polignac number, because 122217903 - 2⁵ = 122217871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122217923) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21826 + ... + 26847.

Almost surely, 2^122217903 is an apocalyptic number.

122217903 is a deficient number, since it is larger than the sum of its proper divisors (66247825).

122217903 is an equidigital number, since it uses as much as digits as its factorization.

122217903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48716 (or 48707 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 122217903 is about 11055.2206219505. The cubic root of 122217903 is about 496.2626716897.

The spelling of 122217903 in words is "one hundred twenty-two million, two hundred seventeen thousand, nine hundred three".