122397 has 8 divisors (see below), whose sum is σ = 178080. Its totient is φ = 74160.

The previous prime is 122393. The next prime is 122399. The reversal of 122397 is 793221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122397 - 2² = 122393 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (22260).

2¹²²³⁹⁷ is an apocalyptic number.

It is an amenable number.

122397 is a deficient number, since it is larger than the sum of its proper divisors (55683).

122397 is a wasteful number, since it uses less digits than its factorization.

122397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723.

The product of its digits is 756, while the sum is 24.

The square root of 122397 is about 349.8528261998. The cubic root of 122397 is about 49.6504959643.

It can be divided in two parts, 12239 and 7, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 122397 in words is "one hundred twenty-two thousand, three hundred ninety-seven".