121888276 has 24 divisors (see below), whose sum is σ = 223967520. Its totient is φ = 57960672.

The previous prime is 121888267. The next prime is 121888279. The reversal of 121888276 is 672888121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121888279) 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, 70 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (9331980).

Almost surely, 2^121888276 is an apocalyptic number.

It is an amenable number.

121888276 is a deficient number, since it is larger than the sum of its proper divisors (102079244).

121888276 is a wasteful number, since it uses less digits than its factorization.

121888276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15783 (or 15781 counting only the distinct ones).

The product of its digits is 86016, while the sum is 43.

The square root of 121888276 is about 11040.3023509322. The cubic root of 121888276 is about 495.8161226582.

The spelling of 121888276 in words is "one hundred twenty-one million, eight hundred eighty-eight thousand, two hundred seventy-six".