121738024 has 16 divisors (see below), whose sum is σ = 229580820. Its totient is φ = 60516480.

The previous prime is 121738021. The next prime is 121738033. The reversal of 121738024 is 420837121.

It can be written as a sum of positive squares in 2 ways, for example, as 120340900 + 1397124 = 10970^2 + 1182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121737983 and 121738001.

It is not an unprimeable number, because it can be changed into a prime (121738021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42597 + ... + 45364.

Almost surely, 2^121738024 is an apocalyptic number.

It is an amenable number.

121738024 is a deficient number, since it is larger than the sum of its proper divisors (107842796).

121738024 is a wasteful number, since it uses less digits than its factorization.

121738024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88140 (or 88136 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 121738024 is about 11033.4955476494. The cubic root of 121738024 is about 495.6123076058.

The spelling of 121738024 in words is "one hundred twenty-one million, seven hundred thirty-eight thousand, twenty-four".