121424101501 has 8 divisors (see below), whose sum is σ = 126750194264. Its totient is φ = 116205606720.

The previous prime is 121424101429. The next prime is 121424101511. The reversal of 121424101501 is 105101424121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5909765625 + 115514335876 = 76875^2 + 339874^2 .

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 121424101501 - 2¹¹ = 121424099453 is a prime.

It is a super-3 number, since 3×121424101501³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121424101511) 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, 26897190 + ... + 26901703.

It is an arithmetic number, because the mean of its divisors is an integer number (15843774283).

Almost surely, 2^121424101501 is an apocalyptic number.

It is an amenable number.

121424101501 is a deficient number, since it is larger than the sum of its proper divisors (5326092763).

121424101501 is an equidigital number, since it uses as much as digits as its factorization.

121424101501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53798991.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 121424101501 its reverse (105101424121), we get a palindrome (226525525622).

The spelling of 121424101501 in words is "one hundred twenty-one billion, four hundred twenty-four million, one hundred one thousand, five hundred one".