122509267 has 2 divisors, whose sum is σ = 122509268. Its totient is φ = 122509266.

The previous prime is 122509223. The next prime is 122509291. The reversal of 122509267 is 762905221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122509267 - 2¹⁵ = 122476499 is a prime.

It is not a weakly prime, because it can be changed into another prime (122500267) 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, 61254633 + 61254634.

It is an arithmetic number, because the mean of its divisors is an integer number (61254634).

Almost surely, 2^122509267 is an apocalyptic number.

122509267 is a deficient number, since it is larger than the sum of its proper divisors (1).

122509267 is an equidigital number, since it uses as much as digits as its factorization.

122509267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 122509267 is about 11068.3904430590. The cubic root of 122509267 is about 496.6567174160.

The spelling of 122509267 in words is "one hundred twenty-two million, five hundred nine thousand, two hundred sixty-seven".