121244404 has 12 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 60591608.

The previous prime is 121244401. The next prime is 121244407. The reversal of 121244404 is 404442121.

It is an interprime number because it is at equal distance from previous prime (121244401) and next prime (121244407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244401) 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, 2877 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (17690400).

Almost surely, 2^121244404 is an apocalyptic number.

It is an amenable number.

121244404 is a deficient number, since it is larger than the sum of its proper divisors (91040396).

121244404 is a wasteful number, since it uses less digits than its factorization.

121244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15302 (or 15300 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 121244404 is about 11011.1036685702. The cubic root of 121244404 is about 494.9415351145.

Adding to 121244404 its reverse (404442121), we get a palindrome (525686525).

The spelling of 121244404 in words is "one hundred twenty-one million, two hundred forty-four thousand, four hundred four".