122401404 has 36 divisors (see below), whose sum is σ = 309769096. Its totient is φ = 40752288.

The previous prime is 122401403. The next prime is 122401421. The reversal of 122401404 is 404104221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122401403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42267 + ... + 45069.

Almost surely, 2^122401404 is an apocalyptic number.

It is an amenable number.

122401404 is an abundant number, since it is smaller than the sum of its proper divisors (187367692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122401404 is a wasteful number, since it uses less digits than its factorization.

122401404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 122401404 is about 11063.5168007284. The cubic root of 122401404 is about 496.5109145320.

Adding to 122401404 its reverse (404104221), we get a palindrome (526505625).

The spelling of 122401404 in words is "one hundred twenty-two million, four hundred one thousand, four hundred four".