122243507 has 4 divisors (see below), whose sum is σ = 122311056. Its totient is φ = 122175960.

The previous prime is 122243503. The next prime is 122243519. The reversal of 122243507 is 705342221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122243507 - 2² = 122243503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122243503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30983 + ... + 34704.

It is an arithmetic number, because the mean of its divisors is an integer number (30577764).

Almost surely, 2^122243507 is an apocalyptic number.

122243507 is a deficient number, since it is larger than the sum of its proper divisors (67549).

122243507 is an equidigital number, since it uses as much as digits as its factorization.

122243507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67548.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 122243507 is about 11056.3785662395. The cubic root of 122243507 is about 496.2973240658.

Adding to 122243507 its reverse (705342221), we get a palindrome (827585728).

The spelling of 122243507 in words is "one hundred twenty-two million, two hundred forty-three thousand, five hundred seven".