121888652 has 12 divisors (see below), whose sum is σ = 220186176. Its totient is φ = 58978320.

The previous prime is 121888651. The next prime is 121888733. The reversal of 121888652 is 256888121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121888651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491363 + ... + 491610.

It is an arithmetic number, because the mean of its divisors is an integer number (18348848).

Almost surely, 2^121888652 is an apocalyptic number.

It is an amenable number.

121888652 is a deficient number, since it is larger than the sum of its proper divisors (98297524).

121888652 is a wasteful number, since it uses less digits than its factorization.

121888652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983008 (or 983006 counting only the distinct ones).

The product of its digits is 61440, while the sum is 41.

The square root of 121888652 is about 11040.3193794383. The cubic root of 121888652 is about 495.8166324876.

The spelling of 121888652 in words is "one hundred twenty-one million, eight hundred eighty-eight thousand, six hundred fifty-two".