68244121 has 9 divisors (see below), whose sum is σ = 75112149. Its totient is φ = 61957500.

The previous prime is 68244119. The next prime is 68244167. The reversal of 68244121 is 12144286.

The square root of 68244121 is 8261.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 68244121 - 2¹ = 68244119 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 68244121.

It is not an unprimeable number, because it can be changed into a prime (68244721) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 90496 + ... + 91246.

Almost surely, 2^68244121 is an apocalyptic number.

68244121 is the 8261-st square number.

68244121 is the 4131-st centered octagonal number.

It is an amenable number.

68244121 is a deficient number, since it is larger than the sum of its proper divisors (6868028).

68244121 is an frugal number, since it uses more digits than its factorization.

68244121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 762 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The cubic root of 68244121 is about 408.6533669137.

The spelling of 68244121 in words is "sixty-eight million, two hundred forty-four thousand, one hundred twenty-one".