107682121 has 4 divisors (see below), whose sum is σ = 108079744. Its totient is φ = 107284500.

The previous prime is 107682119. The next prime is 107682163. The reversal of 107682121 is 121286701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121286701 = 1373 ⋅88337.

It is a cyclic number.

It is not a de Polignac number, because 107682121 - 2¹ = 107682119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107682121.

It is not an unprimeable number, because it can be changed into a prime (107682181) 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 3 ways as a sum of consecutive naturals, for example, 198405 + ... + 198946.

It is an arithmetic number, because the mean of its divisors is an integer number (27019936).

Almost surely, 2^107682121 is an apocalyptic number.

It is an amenable number.

107682121 is a deficient number, since it is larger than the sum of its proper divisors (397623).

107682121 is an equidigital number, since it uses as much as digits as its factorization.

107682121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397622.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 107682121 is about 10376.9996145321. Note that the first 3 decimals coincide. The cubic root of 107682121 is about 475.7526328695.

The spelling of 107682121 in words is "one hundred seven million, six hundred eighty-two thousand, one hundred twenty-one".