122132321 has 4 divisors (see below), whose sum is σ = 123213252. Its totient is φ = 121051392.

The previous prime is 122132251. The next prime is 122132327. The reversal of 122132321 is 123231221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123231221 = 71 ⋅1735651.

It can be written as a sum of positive squares in 2 ways, for example, as 64963600 + 57168721 = 8060^2 + 7561^2 .

It is a cyclic number.

It is not a de Polignac number, because 122132321 - 2¹⁴ = 122115937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122132321.

It is not an unprimeable number, because it can be changed into a prime (122132327) 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, 540296 + ... + 540521.

It is an arithmetic number, because the mean of its divisors is an integer number (30803313).

Almost surely, 2^122132321 is an apocalyptic number.

It is an amenable number.

122132321 is a deficient number, since it is larger than the sum of its proper divisors (1080931).

122132321 is a wasteful number, since it uses less digits than its factorization.

122132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080930.

The product of its digits is 144, while the sum is 17.

The square root of 122132321 is about 11051.3492841372. The cubic root of 122132321 is about 496.1468101338.

Adding to 122132321 its reverse (123231221), we get a palindrome (245363542).

The spelling of 122132321 in words is "one hundred twenty-two million, one hundred thirty-two thousand, three hundred twenty-one".