122003421 has 8 divisors (see below), whose sum is σ = 162813024. Its totient is φ = 81264720.

The previous prime is 122003417. The next prime is 122003423. The reversal of 122003421 is 124300221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122003421 - 2² = 122003417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122003421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003423) 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, 13570 + ... + 20691.

It is an arithmetic number, because the mean of its divisors is an integer number (20351628).

Almost surely, 2^122003421 is an apocalyptic number.

It is an amenable number.

122003421 is a deficient number, since it is larger than the sum of its proper divisors (40809603).

122003421 is a wasteful number, since it uses less digits than its factorization.

122003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35451.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122003421 is about 11045.5158774953. The cubic root of 122003421 is about 495.9722021470.

Adding to 122003421 its reverse (124300221), we get a palindrome (246303642).

The spelling of 122003421 in words is "one hundred twenty-two million, three thousand, four hundred twenty-one".