122004421 has 24 divisors (see below), whose sum is σ = 158578560. Its totient is φ = 91771680.

The previous prime is 122004419. The next prime is 122004451. The reversal of 122004421 is 124400221.

It is not a de Polignac number, because 122004421 - 2¹ = 122004419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122004395 and 122004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122004451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22080 + ... + 27046.

It is an arithmetic number, because the mean of its divisors is an integer number (6607440).

Almost surely, 2^122004421 is an apocalyptic number.

122004421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122004421 is a deficient number, since it is larger than the sum of its proper divisors (36574139).

122004421 is a wasteful number, since it uses less digits than its factorization.

122004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122004421 is about 11045.5611446409. The cubic root of 122004421 is about 495.9735572206.

Adding to 122004421 its reverse (124400221), we get a palindrome (246404642).

The spelling of 122004421 in words is "one hundred twenty-two million, four thousand, four hundred twenty-one".