122100266 has 24 divisors (see below), whose sum is σ = 193786020. Its totient is φ = 57630272.

The previous prime is 122100233. The next prime is 122100269. The reversal of 122100266 is 662001221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121992025 + 108241 = 11045^2 + 329^2 .

It is not an unprimeable number, because it can be changed into a prime (122100269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127646 + ... + 128598.

Almost surely, 2^122100266 is an apocalyptic number.

122100266 is a deficient number, since it is larger than the sum of its proper divisors (71685754).

122100266 is an equidigital number, since it uses as much as digits as its factorization.

122100266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 122100266 is about 11049.8989135648. The cubic root of 122100266 is about 496.1033999007.

Adding to 122100266 its reverse (662001221), we get a palindrome (784101487).

The spelling of 122100266 in words is "one hundred twenty-two million, one hundred thousand, two hundred sixty-six".