122407547 has 2 divisors, whose sum is σ = 122407548. Its totient is φ = 122407546.

The previous prime is 122407543. The next prime is 122407567. The reversal of 122407547 is 745704221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122407547 - 2² = 122407543 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122407543) 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, 61203773 + 61203774.

It is an arithmetic number, because the mean of its divisors is an integer number (61203774).

Almost surely, 2^122407547 is an apocalyptic number.

122407547 is a deficient number, since it is larger than the sum of its proper divisors (1).

122407547 is an equidigital number, since it uses as much as digits as its factorization.

122407547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 122407547 is about 11063.7944214451. The cubic root of 122407547 is about 496.5192205793.

The spelling of 122407547 in words is "one hundred twenty-two million, four hundred seven thousand, five hundred forty-seven".