244121717 has 8 divisors (see below), whose sum is σ = 295407936. Its totient is φ = 196938432.

The previous prime is 244121711. The next prime is 244121719. The reversal of 244121717 is 717121442.

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 244121717 - 2⁶ = 244121653 is a prime.

It is a super-2 number, since 2×244121717² = 119190825422056178, which contains 22 as substring.

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 244121717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244121711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025603 + ... + 1025840.

It is an arithmetic number, because the mean of its divisors is an integer number (36925992).

Almost surely, 2^244121717 is an apocalyptic number.

It is an amenable number.

244121717 is a deficient number, since it is larger than the sum of its proper divisors (51286219).

244121717 is a wasteful number, since it uses less digits than its factorization.

244121717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051467.

The product of its digits is 3136, while the sum is 29.

The square root of 244121717 is about 15624.3949322846. The cubic root of 244121717 is about 624.9838647568.

The spelling of 244121717 in words is "two hundred forty-four million, one hundred twenty-one thousand, seven hundred seventeen".