121140044 has 6 divisors (see below), whose sum is σ = 211995084. Its totient is φ = 60570020.

The previous prime is 121140043. The next prime is 121140053. The reversal of 121140044 is 440041121.

It is a super-3 number, since 3×121140044³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121140043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15142502 + ... + 15142509.

It is an arithmetic number, because the mean of its divisors is an integer number (35332514).

Almost surely, 2^121140044 is an apocalyptic number.

It is an amenable number.

121140044 is a deficient number, since it is larger than the sum of its proper divisors (90855040).

121140044 is a wasteful number, since it uses less digits than its factorization.

121140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30285015 (or 30285013 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121140044 is about 11006.3637955503. The cubic root of 121140044 is about 494.7994889012.

Adding to 121140044 its reverse (440041121), we get a palindrome (561181165).

The spelling of 121140044 in words is "one hundred twenty-one million, one hundred forty thousand, forty-four".