68121027 has 24 divisors (see below), whose sum is σ = 109287600. Its totient is φ = 41917824.

The previous prime is 68121013. The next prime is 68121041. The reversal of 68121027 is 72012186.

It is an interprime number because it is at equal distance from previous prime (68121013) and next prime (68121041).

It is not a de Polignac number, because 68121027 - 2¹¹ = 68118979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (68121127) 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 23 ways as a sum of consecutive naturals, for example, 2902 + ... + 12027.

It is an arithmetic number, because the mean of its divisors is an integer number (4553650).

Almost surely, 2^68121027 is an apocalyptic number.

68121027 is a deficient number, since it is larger than the sum of its proper divisors (41166573).

68121027 is a wasteful number, since it uses less digits than its factorization.

68121027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14964 (or 14945 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 68121027 is about 8253.5463287002. The cubic root of 68121027 is about 408.4075188642.

The spelling of 68121027 in words is "sixty-eight million, one hundred twenty-one thousand, twenty-seven".