122321745 has 80 divisors (see below), whose sum is σ = 269955840. Its totient is φ = 51601536.

The previous prime is 122321687. The next prime is 122321747. The reversal of 122321745 is 547123221.

It is not a de Polignac number, because 122321745 - 2⁹ = 122321233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122321747) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 35196 + ... + 38514.

It is an arithmetic number, because the mean of its divisors is an integer number (3374448).

Almost surely, 2^122321745 is an apocalyptic number.

122321745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122321745 is an abundant number, since it is smaller than the sum of its proper divisors (147634095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122321745 is a wasteful number, since it uses less digits than its factorization.

122321745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356 (or 3347 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 122321745 is about 11059.9161389226. The cubic root of 122321745 is about 496.4031811651.

Adding to 122321745 its reverse (547123221), we get a palindrome (669444966).

The spelling of 122321745 in words is "one hundred twenty-two million, three hundred twenty-one thousand, seven hundred forty-five".