68120587 has 8 divisors (see below), whose sum is σ = 68956272. Its totient is φ = 67288800.

The previous prime is 68120527. The next prime is 68120597. The reversal of 68120587 is 78502186.

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

It is a cyclic number.

It is not a de Polignac number, because 68120587 - 2¹¹ = 68118539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68120527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48637 + ... + 50017.

It is an arithmetic number, because the mean of its divisors is an integer number (8619534).

Almost surely, 2^68120587 is an apocalyptic number.

68120587 is a deficient number, since it is larger than the sum of its proper divisors (835685).

68120587 is a wasteful number, since it uses less digits than its factorization.

68120587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 68120587 is about 8253.5196734484. The cubic root of 68120587 is about 408.4066395484.

The spelling of 68120587 in words is "sixty-eight million, one hundred twenty thousand, five hundred eighty-seven".