121113017 has 8 divisors (see below), whose sum is σ = 123341280. Its totient is φ = 118890720.

The previous prime is 121112993. The next prime is 121113067. The reversal of 121113017 is 710311121.

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 121113017 - 2¹² = 121108921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121112986 and 121113004.

It is not an unprimeable number, because it can be changed into a prime (121113067) 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 7 ways as a sum of consecutive naturals, for example, 68213 + ... + 69965.

It is an arithmetic number, because the mean of its divisors is an integer number (15417660).

Almost surely, 2^121113017 is an apocalyptic number.

It is an amenable number.

121113017 is a deficient number, since it is larger than the sum of its proper divisors (2228263).

121113017 is a wasteful number, since it uses less digits than its factorization.

121113017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 121113017 is about 11005.1359373703. The cubic root of 121113017 is about 494.7626886823.

Adding to 121113017 its reverse (710311121), we get a palindrome (831424138).

The spelling of 121113017 in words is "one hundred twenty-one million, one hundred thirteen thousand, seventeen".