122126247 has 6 divisors (see below), whose sum is σ = 176404592. Its totient is φ = 81417492.

The previous prime is 122126239. The next prime is 122126261. The reversal of 122126247 is 742621221.

122126247 is a `hidden beast` number, since 1 + 22 + 12 + 624 + 7 = 666.

It is not a de Polignac number, because 122126247 - 2³ = 122126239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122126247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122126287) 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 in 5 ways as a sum of consecutive naturals, for example, 6784783 + ... + 6784800.

Almost surely, 2^122126247 is an apocalyptic number.

122126247 is a deficient number, since it is larger than the sum of its proper divisors (54278345).

122126247 is a wasteful number, since it uses less digits than its factorization.

122126247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13569589 (or 13569586 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 122126247 is about 11051.0744726474. The cubic root of 122126247 is about 496.1385850501.

Adding to 122126247 its reverse (742621221), we get a palindrome (864747468).

The spelling of 122126247 in words is "one hundred twenty-two million, one hundred twenty-six thousand, two hundred forty-seven".