122800266 has 32 divisors (see below), whose sum is σ = 284757120. Its totient is φ = 39153312.

The previous prime is 122800261. The next prime is 122800267. The reversal of 122800266 is 662008221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122800261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48195 + ... + 50678.

It is an arithmetic number, because the mean of its divisors is an integer number (8898660).

Almost surely, 2^122800266 is an apocalyptic number.

122800266 is an abundant number, since it is smaller than the sum of its proper divisors (161956854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122800266 is a wasteful number, since it uses less digits than its factorization.

122800266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98907 (or 98901 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 122800266 is about 11081.5281437174. The cubic root of 122800266 is about 497.0496464028.

Adding to 122800266 its reverse (662008221), we get a palindrome (784808487).

The spelling of 122800266 in words is "one hundred twenty-two million, eight hundred thousand, two hundred sixty-six".