68121060 has 96 divisors (see below), whose sum is σ = 219217152. Its totient is φ = 15482880.

The previous prime is 68121041. The next prime is 68121089. The reversal of 68121060 is 6012186.

It is a self number, because there is not a number n which added to its sum of digits gives 68121060.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 100884 + ... + 101556.

It is an arithmetic number, because the mean of its divisors is an integer number (2283512).

Almost surely, 2^68121060 is an apocalyptic number.

68121060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68121060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109608576).

68121060 is an abundant number, since it is smaller than the sum of its proper divisors (151096092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68121060 is a wasteful number, since it uses less digits than its factorization.

68121060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 68121060 is about 8253.5483278406. The cubic root of 68121060 is about 408.4075848128.

The spelling of 68121060 in words is "sixty-eight million, one hundred twenty-one thousand, sixty".