122567047 has 2 divisors, whose sum is σ = 122567048. Its totient is φ = 122567046.

The previous prime is 122567009. The next prime is 122567063. The reversal of 122567047 is 740765221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122567047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122567077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61283523 + 61283524.

It is an arithmetic number, because the mean of its divisors is an integer number (61283524).

Almost surely, 2^122567047 is an apocalyptic number.

122567047 is a deficient number, since it is larger than the sum of its proper divisors (1).

122567047 is an equidigital number, since it uses as much as digits as its factorization.

122567047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 122567047 is about 11071.0002709782. Note that the first 3 decimals coincide. The cubic root of 122567047 is about 496.7347858362.

The spelling of 122567047 in words is "one hundred twenty-two million, five hundred sixty-seven thousand, forty-seven".