122966 has 4 divisors (see below), whose sum is σ = 184452. Its totient is φ = 61482.

The previous prime is 122963. The next prime is 122971. The reversal of 122966 is 669221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669221 = 7 ⋅95603.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30740 + ... + 30743.

It is an arithmetic number, because the mean of its divisors is an integer number (46113).

2¹²²⁹⁶⁶ is an apocalyptic number.

122966 is a deficient number, since it is larger than the sum of its proper divisors (61486).

122966 is an equidigital number, since it uses as much as digits as its factorization.

122966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61485.

The product of its digits is 1296, while the sum is 26.

The square root of 122966 is about 350.6650823792. The cubic root of 122966 is about 49.7273155675.

The spelling of 122966 in words is "one hundred twenty-two thousand, nine hundred sixty-six".