122403172 has 12 divisors (see below), whose sum is σ = 214297776. Its totient is φ = 61175240.

The previous prime is 122403161. The next prime is 122403191. The reversal of 122403172 is 271304221.

It is a super-3 number, since 3×122403172³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6963 + ... + 17125.

It is an arithmetic number, because the mean of its divisors is an integer number (17858148).

Almost surely, 2^122403172 is an apocalyptic number.

It is an amenable number.

122403172 is a deficient number, since it is larger than the sum of its proper divisors (91894604).

122403172 is a wasteful number, since it uses less digits than its factorization.

122403172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178 (or 13176 counting only the distinct ones).

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

The square root of 122403172 is about 11063.5967027003. The cubic root of 122403172 is about 496.5133051012.

Adding to 122403172 its reverse (271304221), we get a palindrome (393707393).

The spelling of 122403172 in words is "one hundred twenty-two million, four hundred three thousand, one hundred seventy-two".