121241421467 has 2 divisors, whose sum is σ = 121241421468. Its totient is φ = 121241421466.

The previous prime is 121241421409. The next prime is 121241421503. The reversal of 121241421467 is 764124142121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121241421467 - 2⁶ = 121241421403 is a prime.

It is not a weakly prime, because it can be changed into another prime (121241421407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60620710733 + 60620710734.

It is an arithmetic number, because the mean of its divisors is an integer number (60620710734).

Almost surely, 2^121241421467 is an apocalyptic number.

121241421467 is a deficient number, since it is larger than the sum of its proper divisors (1).

121241421467 is an equidigital number, since it uses as much as digits as its factorization.

121241421467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

Adding to 121241421467 its reverse (764124142121), we get a palindrome (885365563588).

The spelling of 121241421467 in words is "one hundred twenty-one billion, two hundred forty-one million, four hundred twenty-one thousand, four hundred sixty-seven".