121461717 has 8 divisors (see below), whose sum is σ = 174406624. Its totient is φ = 74745648.

The previous prime is 121461701. The next prime is 121461731. The reversal of 121461717 is 717164121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121461717 - 2⁴ = 121461701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121461757) 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, 1557163 + ... + 1557240.

It is an arithmetic number, because the mean of its divisors is an integer number (21800828).

Almost surely, 2^121461717 is an apocalyptic number.

It is an amenable number.

121461717 is a deficient number, since it is larger than the sum of its proper divisors (52944907).

121461717 is a wasteful number, since it uses less digits than its factorization.

121461717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114419.

The product of its digits is 2352, while the sum is 30.

The square root of 121461717 is about 11020.9671535669. The cubic root of 121461717 is about 495.2370622479.

The spelling of 121461717 in words is "one hundred twenty-one million, four hundred sixty-one thousand, seven hundred seventeen".