121642682 has 16 divisors (see below), whose sum is σ = 208672512. Its totient is φ = 52097040.

The previous prime is 121642681. The next prime is 121642751. The reversal of 121642682 is 286246121.

It is not an unprimeable number, because it can be changed into a prime (121642681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35768 + ... + 39020.

It is an arithmetic number, because the mean of its divisors is an integer number (13042032).

Almost surely, 2^121642682 is an apocalyptic number.

121642682 is a deficient number, since it is larger than the sum of its proper divisors (87029830).

121642682 is a wasteful number, since it uses less digits than its factorization.

121642682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933.

The product of its digits is 9216, while the sum is 32.

The square root of 121642682 is about 11029.1741304596. The cubic root of 121642682 is about 495.4828903316.

The spelling of 121642682 in words is "one hundred twenty-one million, six hundred forty-two thousand, six hundred eighty-two".