121424501 has 8 divisors (see below), whose sum is σ = 134140800. Its totient is φ = 108987840.

The previous prime is 121424483. The next prime is 121424509. The reversal of 121424501 is 105424121.

It is a happy number.

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 121424501 - 2⁶ = 121424437 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 (121424509) 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, 68996 + ... + 70733.

It is an arithmetic number, because the mean of its divisors is an integer number (16767600).

Almost surely, 2^121424501 is an apocalyptic number.

121424501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121424501 is a deficient number, since it is larger than the sum of its proper divisors (12716299).

121424501 is a wasteful number, since it uses less digits than its factorization.

121424501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139819.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 121424501 is about 11019.2786061520. The cubic root of 121424501 is about 495.1864766926.

Adding to 121424501 its reverse (105424121), we get a palindrome (226848622).

The spelling of 121424501 in words is "one hundred twenty-one million, four hundred twenty-four thousand, five hundred one".