121682 has 8 divisors (see below), whose sum is σ = 199152. Its totient is φ = 55300.

The previous prime is 121661. The next prime is 121687. The reversal of 121682 is 286121.

121682 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It is not an unprimeable number, because it can be changed into a prime (121687) 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, 2744 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (24894).

2¹²¹⁶⁸² is an apocalyptic number.

121682 is a deficient number, since it is larger than the sum of its proper divisors (77470).

121682 is a wasteful number, since it uses less digits than its factorization.

121682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544.

The product of its digits is 192, while the sum is 20.

The square root of 121682 is about 348.8294712320. The cubic root of 121682 is about 49.5536268793.

It can be divided in two parts, 12168 and 2, that multiplied together give a square (24336 = 156²).

The spelling of 121682 in words is "one hundred twenty-one thousand, six hundred eighty-two".