121324515241 has 8 divisors (see below), whose sum is σ = 124401013704. Its totient is φ = 118277178240.

The previous prime is 121324515233. The next prime is 121324515293. The reversal of 121324515241 is 142515423121.

It can be written as a sum of positive squares in 4 ways, for example, as 28682809600 + 92641705641 = 169360^2 + 304371^2 .

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 121324515241 - 2³ = 121324515233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121324515041) 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, 7281940 + ... + 7298581.

It is an arithmetic number, because the mean of its divisors is an integer number (15550126713).

Almost surely, 2^121324515241 is an apocalyptic number.

It is an amenable number.

121324515241 is a deficient number, since it is larger than the sum of its proper divisors (3076498463).

121324515241 is a wasteful number, since it uses less digits than its factorization.

121324515241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580731.

The product of its digits is 9600, while the sum is 31.

Adding to 121324515241 its reverse (142515423121), we get a palindrome (263839938362).

The spelling of 121324515241 in words is "one hundred twenty-one billion, three hundred twenty-four million, five hundred fifteen thousand, two hundred forty-one".