121143044 has 24 divisors (see below), whose sum is σ = 231735168. Its totient is φ = 54955040.

The previous prime is 121143007. The next prime is 121143049. The reversal of 121143044 is 440341121.

It is a super-3 number, since 3×121143044³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121143049) 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, 22037 + ... + 26979.

It is an arithmetic number, because the mean of its divisors is an integer number (9655632).

Almost surely, 2^121143044 is an apocalyptic number.

It is an amenable number.

121143044 is a deficient number, since it is larger than the sum of its proper divisors (110592124).

121143044 is a wasteful number, since it uses less digits than its factorization.

121143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5513 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 121143044 is about 11006.5000794985. The cubic root of 121143044 is about 494.8035733921.

Adding to 121143044 its reverse (440341121), we get a palindrome (561484165).

The spelling of 121143044 in words is "one hundred twenty-one million, one hundred forty-three thousand, forty-four".