121462447 has 2 divisors, whose sum is σ = 121462448. Its totient is φ = 121462446.

The previous prime is 121462417. The next prime is 121462463. The reversal of 121462447 is 744264121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121462447 - 2¹⁹ = 120938159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121462417) 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, 60731223 + 60731224.

It is an arithmetic number, because the mean of its divisors is an integer number (60731224).

Almost surely, 2^121462447 is an apocalyptic number.

121462447 is a deficient number, since it is larger than the sum of its proper divisors (1).

121462447 is an equidigital number, since it uses as much as digits as its factorization.

121462447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 121462447 is about 11021.0002722076. Note that the first 3 decimals coincide. The cubic root of 121462447 is about 495.2380543913.

The spelling of 121462447 in words is "one hundred twenty-one million, four hundred sixty-two thousand, four hundred forty-seven".