122321047 has 4 divisors (see below), whose sum is σ = 122346216. Its totient is φ = 122295880.

The previous prime is 122321033. The next prime is 122321051. The reversal of 122321047 is 740123221.

122321047 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740123221 = 643 ⋅1151047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122321047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122321027) 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, 2713 + ... + 15874.

It is an arithmetic number, because the mean of its divisors is an integer number (30586554).

Almost surely, 2^122321047 is an apocalyptic number.

122321047 is a deficient number, since it is larger than the sum of its proper divisors (25169).

122321047 is an equidigital number, since it uses as much as digits as its factorization.

122321047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25168.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 122321047 is about 11059.8845834846. The cubic root of 122321047 is about 496.4022369610.

Adding to 122321047 its reverse (740123221), we get a palindrome (862444268).

The spelling of 122321047 in words is "one hundred twenty-two million, three hundred twenty-one thousand, forty-seven".