122494451 has 2 divisors, whose sum is σ = 122494452. Its totient is φ = 122494450.

The previous prime is 122494447. The next prime is 122494453. The reversal of 122494451 is 154494221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122494451 - 2² = 122494447 is a prime.

It is a Sophie Germain prime.

Together with 122494453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122494453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61247225 + 61247226.

It is an arithmetic number, because the mean of its divisors is an integer number (61247226).

Almost surely, 2^122494451 is an apocalyptic number.

122494451 is a deficient number, since it is larger than the sum of its proper divisors (1).

122494451 is an equidigital number, since it uses as much as digits as its factorization.

122494451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 122494451 is about 11067.7211294828. The cubic root of 122494451 is about 496.6366950869.

The spelling of 122494451 in words is "one hundred twenty-two million, four hundred ninety-four thousand, four hundred fifty-one".