122704 has 10 divisors (see below), whose sum is σ = 237770. Its totient is φ = 61344.

The previous prime is 122701. The next prime is 122719. The reversal of 122704 is 407221.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 1600 = 348^2 + 40^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 7669 = 122704 / (1 + 2 + 2 + 7 + 0 + 4).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819 + ... + 3850.

It is an arithmetic number, because the mean of its divisors is an integer number (23777).

2¹²²⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

122704 is a deficient number, since it is larger than the sum of its proper divisors (115066).

122704 is an equidigital number, since it uses as much as digits as its factorization.

122704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677 (or 7671 counting only the distinct ones).

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

The square root of 122704 is about 350.2913073429. The cubic root of 122704 is about 49.6919729502.

Adding to 122704 its reverse (407221), we get a palindrome (529925).

The spelling of 122704 in words is "one hundred twenty-two thousand, seven hundred four", and thus it is an iban number.