122021404 has 12 divisors (see below), whose sum is σ = 213830064. Its totient is φ = 60927104.

The previous prime is 122021399. The next prime is 122021407. The reversal of 122021404 is 404120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17557 + ... + 23500.

It is an arithmetic number, because the mean of its divisors is an integer number (17819172).

Almost surely, 2^122021404 is an apocalyptic number.

It is an amenable number.

122021404 is a deficient number, since it is larger than the sum of its proper divisors (91808660).

122021404 is a wasteful number, since it uses less digits than its factorization.

122021404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41804 (or 41802 counting only the distinct ones).

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

The square root of 122021404 is about 11046.3298882480. The cubic root of 122021404 is about 495.9965693051.

Adding to 122021404 its reverse (404120221), we get a palindrome (526141625).

The spelling of 122021404 in words is "one hundred twenty-two million, twenty-one thousand, four hundred four".