122100403 has 8 divisors (see below), whose sum is σ = 129183120. Its totient is φ = 115083360.

The previous prime is 122100397. The next prime is 122100427. The reversal of 122100403 is 304001221.

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 122100403 - 2²⁵ = 88545971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12568 + ... + 20053.

It is an arithmetic number, because the mean of its divisors is an integer number (16147890).

Almost surely, 2^122100403 is an apocalyptic number.

122100403 is a deficient number, since it is larger than the sum of its proper divisors (7082717).

122100403 is a wasteful number, since it uses less digits than its factorization.

122100403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32837.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122100403 is about 11049.9051127148. The cubic root of 122100403 is about 496.1035854480.

Adding to 122100403 its reverse (304001221), we get a palindrome (426101624).

The spelling of 122100403 in words is "one hundred twenty-two million, one hundred thousand, four hundred three".