122100507 has 8 divisors (see below), whose sum is σ = 180889680. Its totient is φ = 81400320.

The previous prime is 122100497. The next prime is 122100541. The reversal of 122100507 is 705001221.

It is not a de Polignac number, because 122100507 - 2²⁴ = 105323291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122100507.

It is not an unprimeable number, because it can be changed into a prime (122100577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261094 + ... + 2261147.

It is an arithmetic number, because the mean of its divisors is an integer number (22611210).

Almost surely, 2^122100507 is an apocalyptic number.

122100507 is a deficient number, since it is larger than the sum of its proper divisors (58789173).

122100507 is an equidigital number, since it uses as much as digits as its factorization.

122100507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522250 (or 4522244 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 122100507 is about 11049.9098186365. The cubic root of 122100507 is about 496.1037263014.

Adding to 122100507 its reverse (705001221), we get a palindrome (827101728).

The spelling of 122100507 in words is "one hundred twenty-two million, one hundred thousand, five hundred seven".