122102507 has 2 divisors, whose sum is σ = 122102508. Its totient is φ = 122102506.

The previous prime is 122102503. The next prime is 122102527. The reversal of 122102507 is 705201221.

It is an a-pointer prime, because the next prime (122102527) can be obtained adding 122102507 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (705201221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122102507 - 2² = 122102503 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122102503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051253 + 61051254.

It is an arithmetic number, because the mean of its divisors is an integer number (61051254).

Almost surely, 2^122102507 is an apocalyptic number.

122102507 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102507 is an equidigital number, since it uses as much as digits as its factorization.

122102507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 122102507 is about 11050.0003167421. Note that the first 3 decimals coincide. The cubic root of 122102507 is about 496.1064350044.

Adding to 122102507 its reverse (705201221), we get a palindrome (827303728).

The spelling of 122102507 in words is "one hundred twenty-two million, one hundred two thousand, five hundred seven".