121680182 has 8 divisors (see below), whose sum is σ = 196560336. Its totient is φ = 56160072.

The previous prime is 121680157. The next prime is 121680193. The reversal of 121680182 is 281086121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339978 + ... + 2340029.

It is an arithmetic number, because the mean of its divisors is an integer number (24570042).

Almost surely, 2^121680182 is an apocalyptic number.

121680182 is a deficient number, since it is larger than the sum of its proper divisors (74880154).

121680182 is a wasteful number, since it uses less digits than its factorization.

121680182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680022.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 121680182 is about 11030.8740360862. The cubic root of 121680182 is about 495.5338009141.

The spelling of 121680182 in words is "one hundred twenty-one million, six hundred eighty thousand, one hundred eighty-two".