122043247 has 4 divisors (see below), whose sum is σ = 123864856. Its totient is φ = 120221640.

The previous prime is 122043239. The next prime is 122043263. The reversal of 122043247 is 742340221.

It is a happy number.

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 122043247 - 2³ = 122043239 is a prime.

It is a super-3 number, since 3×122043247³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122043547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910704 + ... + 910837.

It is an arithmetic number, because the mean of its divisors is an integer number (30966214).

Almost surely, 2^122043247 is an apocalyptic number.

122043247 is a deficient number, since it is larger than the sum of its proper divisors (1821609).

122043247 is an equidigital number, since it uses as much as digits as its factorization.

122043247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821608.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 122043247 is about 11047.3185434294. The cubic root of 122043247 is about 496.0261635847.

Adding to 122043247 its reverse (742340221), we get a palindrome (864383468).

It can be divided in two parts, 12204 and 3247, that added together give a palindrome (15451).

The spelling of 122043247 in words is "one hundred twenty-two million, forty-three thousand, two hundred forty-seven".