121504501 has 8 divisors (see below), whose sum is σ = 123868224. Its totient is φ = 119159040.

The previous prime is 121504489. The next prime is 121504543. The reversal of 121504501 is 105405121.

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 121504501 - 2¹¹ = 121502453 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 (121504571) 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, 9270 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (15483528).

Almost surely, 2^121504501 is an apocalyptic number.

It is an amenable number.

121504501 is a deficient number, since it is larger than the sum of its proper divisors (2363723).

121504501 is an equidigital number, since it uses as much as digits as its factorization.

121504501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 121504501 is about 11022.9080101396. The cubic root of 121504501 is about 495.2952032976.

Adding to 121504501 its reverse (105405121), we get a palindrome (226909622).

The spelling of 121504501 in words is "one hundred twenty-one million, five hundred four thousand, five hundred one".