122320171 has 4 divisors (see below), whose sum is σ = 123793992. Its totient is φ = 120846352.

The previous prime is 122320147. The next prime is 122320181. The reversal of 122320171 is 171023221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171023221 = 293 ⋅583697.

It is a cyclic number.

It is not a de Polignac number, because 122320171 - 2¹⁷ = 122189099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122320111) 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, 736786 + ... + 736951.

It is an arithmetic number, because the mean of its divisors is an integer number (30948498).

Almost surely, 2^122320171 is an apocalyptic number.

122320171 is a deficient number, since it is larger than the sum of its proper divisors (1473821).

122320171 is an equidigital number, since it uses as much as digits as its factorization.

122320171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473820.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 122320171 is about 11059.8449808304. The cubic root of 122320171 is about 496.4010519662.

Adding to 122320171 its reverse (171023221), we get a palindrome (293343392).

The spelling of 122320171 in words is "one hundred twenty-two million, three hundred twenty thousand, one hundred seventy-one".