121143004 has 12 divisors (see below), whose sum is σ = 212095800. Its totient is φ = 60544208.

The previous prime is 121142999. The next prime is 121143007. The reversal of 121143004 is 400341121.

It is a super-3 number, since 3×121143004³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121143007) 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 in 3 ways as a sum of consecutive naturals, for example, 5727 + ... + 16585.

It is an arithmetic number, because the mean of its divisors is an integer number (17674650).

Almost surely, 2^121143004 is an apocalyptic number.

It is an amenable number.

121143004 is a deficient number, since it is larger than the sum of its proper divisors (90952796).

121143004 is a wasteful number, since it uses less digits than its factorization.

121143004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652 (or 13650 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121143004 is about 11006.4982623903. The cubic root of 121143004 is about 494.8035189327.

Adding to 121143004 its reverse (400341121), we get a palindrome (521484125).

The spelling of 121143004 in words is "one hundred twenty-one million, one hundred forty-three thousand, four".