122311247 has 8 divisors (see below), whose sum is σ = 124358400. Its totient is φ = 120270744.

The previous prime is 122311229. The next prime is 122311261. The reversal of 122311247 is 742113221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122311247 - 2¹⁴ = 122294863 is a prime.

It is a super-2 number, since 2×122311247² = 29920082285390018, which contains 22 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 (122311297) 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, 46904 + ... + 49442.

It is an arithmetic number, because the mean of its divisors is an integer number (15544800).

Almost surely, 2^122311247 is an apocalyptic number.

122311247 is a deficient number, since it is larger than the sum of its proper divisors (2047153).

122311247 is an equidigital number, since it uses as much as digits as its factorization.

122311247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325.

The product of its digits is 672, while the sum is 23.

The square root of 122311247 is about 11059.4415320124. The cubic root of 122311247 is about 496.3889798480.

Adding to 122311247 its reverse (742113221), we get a palindrome (864424468).

The spelling of 122311247 in words is "one hundred twenty-two million, three hundred eleven thousand, two hundred forty-seven".