121453431241 has 8 divisors (see below), whose sum is σ = 126747676800. Its totient is φ = 116160324192.

The previous prime is 121453431233. The next prime is 121453431293. The reversal of 121453431241 is 142134354121.

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 121453431241 - 2³ = 121453431233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121453431641) 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, 62941 + ... + 496858.

It is an arithmetic number, because the mean of its divisors is an integer number (15843459600).

Almost surely, 2^121453431241 is an apocalyptic number.

It is an amenable number.

121453431241 is a deficient number, since it is larger than the sum of its proper divisors (5294245559).

121453431241 is an equidigital number, since it uses as much as digits as its factorization.

121453431241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569255.

The product of its digits is 11520, while the sum is 31.

Adding to 121453431241 its reverse (142134354121), we get a palindrome (263587785362).

The spelling of 121453431241 in words is "one hundred twenty-one billion, four hundred fifty-three million, four hundred thirty-one thousand, two hundred forty-one".