121222463 has 2 divisors, whose sum is σ = 121222464. Its totient is φ = 121222462.

The previous prime is 121222457. The next prime is 121222477. The reversal of 121222463 is 364222121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121222463 - 2⁶ = 121222399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611231 + 60611232.

It is an arithmetic number, because the mean of its divisors is an integer number (60611232).

Almost surely, 2^121222463 is an apocalyptic number.

121222463 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222463 is an equidigital number, since it uses as much as digits as its factorization.

121222463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 121222463 is about 11010.1073110120. The cubic root of 121222463 is about 494.9116776063.

Adding to 121222463 its reverse (364222121), we get a palindrome (485444584).

The spelling of 121222463 in words is "one hundred twenty-one million, two hundred twenty-two thousand, four hundred sixty-three".