121358017 has 8 divisors (see below), whose sum is σ = 133235712. Its totient is φ = 109621200.

The previous prime is 121357993. The next prime is 121358033. The reversal of 121358017 is 710853121.

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 121358017 - 2¹⁵ = 121325249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121358077) 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, 33409 + ... + 36862.

It is an arithmetic number, because the mean of its divisors is an integer number (16654464).

Almost surely, 2^121358017 is an apocalyptic number.

It is an amenable number.

121358017 is a deficient number, since it is larger than the sum of its proper divisors (11877695).

121358017 is a wasteful number, since it uses less digits than its factorization.

121358017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70439.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 121358017 is about 11016.2614801937. The cubic root of 121358017 is about 495.0960831067.

The spelling of 121358017 in words is "one hundred twenty-one million, three hundred fifty-eight thousand, seventeen".