122673221 has 4 divisors (see below), whose sum is σ = 133825344. Its totient is φ = 111521100.

The previous prime is 122673197. The next prime is 122673259. The reversal of 122673221 is 122376221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122673221 - 2⁶ = 122673157 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 (122673121) 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, 5576045 + ... + 5576066.

It is an arithmetic number, because the mean of its divisors is an integer number (33456336).

Almost surely, 2^122673221 is an apocalyptic number.

122673221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122673221 is a deficient number, since it is larger than the sum of its proper divisors (11152123).

122673221 is a wasteful number, since it uses less digits than its factorization.

122673221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152122.

The product of its digits is 2016, while the sum is 26.

The square root of 122673221 is about 11075.7943733170. The cubic root of 122673221 is about 496.8781770085.

It can be divided in two parts, 1226 and 73221, that added together give a palindrome (74447).

The spelling of 122673221 in words is "one hundred twenty-two million, six hundred seventy-three thousand, two hundred twenty-one".