122407 has 4 divisors (see below), whose sum is σ = 123640. Its totient is φ = 121176.

The previous prime is 122401. The next prime is 122443. The reversal of 122407 is 704221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122407 - 2³ = 122399 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 (122401) 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 3 ways as a sum of consecutive naturals, for example, 453 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (30910).

2¹²²⁴⁰⁷ is an apocalyptic number.

122407 is a deficient number, since it is larger than the sum of its proper divisors (1233).

122407 is a wasteful number, since it uses less digits than its factorization.

122407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 122407 is about 349.8671176318. The cubic root of 122407 is about 49.6518480983.

Adding to 122407 its reverse (704221), we get a palindrome (826628).

It can be divided in two parts, 122 and 407, that added together give a square (529 = 23²).

The spelling of 122407 in words is "one hundred twenty-two thousand, four hundred seven", and thus it is an iban number.