121318004 has 24 divisors (see below), whose sum is σ = 219744000. Its totient is φ = 58544640.

The previous prime is 121318003. The next prime is 121318013. The reversal of 121318004 is 400813121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121318003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54587 + ... + 56765.

It is an arithmetic number, because the mean of its divisors is an integer number (9156000).

Almost surely, 2^121318004 is an apocalyptic number.

It is an amenable number.

121318004 is a deficient number, since it is larger than the sum of its proper divisors (98425996).

121318004 is a wasteful number, since it uses less digits than its factorization.

121318004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 121318004 is about 11014.4452424986. The cubic root of 121318004 is about 495.0416643500.

The spelling of 121318004 in words is "one hundred twenty-one million, three hundred eighteen thousand, four".