122774 has 16 divisors (see below), whose sum is σ = 204768. Its totient is φ = 54912.

The previous prime is 122761. The next prime is 122777. The reversal of 122774 is 477221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122777) by changing a digit.

122774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704 + ... + 860.

It is an arithmetic number, because the mean of its divisors is an integer number (12798).

2¹²²⁷⁷⁴ is an apocalyptic number.

122774 is a deficient number, since it is larger than the sum of its proper divisors (81994).

122774 is a wasteful number, since it uses less digits than its factorization.

122774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199.

The product of its digits is 784, while the sum is 23.

The square root of 122774 is about 350.3912099354. The cubic root of 122774 is about 49.7014205554.

Adding to 122774 its reverse (477221), we get a palindrome (599995).

The spelling of 122774 in words is "one hundred twenty-two thousand, seven hundred seventy-four", and thus it is an iban number.