122247 has 18 divisors (see below), whose sum is σ = 191568. Its totient is φ = 75072.

The previous prime is 122231. The next prime is 122251. The reversal of 122247 is 742221.

It is not a de Polignac number, because 122247 - 2⁴ = 122231 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2578 + ... + 2624.

2¹²²²⁴⁷ is an apocalyptic number.

122247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122247 is a deficient number, since it is larger than the sum of its proper divisors (69321).

122247 is a wasteful number, since it uses less digits than its factorization.

122247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 67 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 122247 is about 349.6383846205. The cubic root of 122247 is about 49.6302051106.

Adding to 122247 its sum of digits (18), we get a triangular number (122265 = T₄₉₄).

Adding to 122247 its reverse (742221), we get a palindrome (864468).

The spelling of 122247 in words is "one hundred twenty-two thousand, two hundred forty-seven", and thus it is an iban number.