121043404 has 6 divisors (see below), whose sum is σ = 211825964. Its totient is φ = 60521700.

The previous prime is 121043401. The next prime is 121043407. The reversal of 121043404 is 404340121.

It is an interprime number because it is at equal distance from previous prime (121043401) and next prime (121043407).

It is not an unprimeable number, because it can be changed into a prime (121043401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15130422 + ... + 15130429.

Almost surely, 2^121043404 is an apocalyptic number.

It is an amenable number.

121043404 is a deficient number, since it is larger than the sum of its proper divisors (90782560).

121043404 is a wasteful number, since it uses less digits than its factorization.

121043404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30260855 (or 30260853 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121043404 is about 11001.9727321967. The cubic root of 121043404 is about 494.6678777450.

Adding to 121043404 its reverse (404340121), we get a palindrome (525383525).

The spelling of 121043404 in words is "one hundred twenty-one million, forty-three thousand, four hundred four".