121417549 has 8 divisors (see below), whose sum is σ = 134133120. Its totient is φ = 108981600.

The previous prime is 121417537. The next prime is 121417613. The reversal of 121417549 is 945714121.

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 121417549 - 2¹³ = 121409357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121417249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68992 + ... + 70729.

It is an arithmetic number, because the mean of its divisors is an integer number (16766640).

Almost surely, 2^121417549 is an apocalyptic number.

It is an amenable number.

121417549 is a deficient number, since it is larger than the sum of its proper divisors (12715571).

121417549 is a wasteful number, since it uses less digits than its factorization.

121417549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139811.

The product of its digits is 10080, while the sum is 34.

The square root of 121417549 is about 11018.9631544896. The cubic root of 121417549 is about 495.1770260955.

The spelling of 121417549 in words is "one hundred twenty-one million, four hundred seventeen thousand, five hundred forty-nine".