122765227 has 4 divisors (see below), whose sum is σ = 132208720. Its totient is φ = 113321736.

The previous prime is 122765189. The next prime is 122765231. The reversal of 122765227 is 722567221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722567221 = 439 ⋅1645939.

It is a cyclic number.

It is not a de Polignac number, because 122765227 - 2¹⁹ = 122240939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122765192 and 122765201.

It is not an unprimeable number, because it can be changed into a prime (122765267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4721727 + ... + 4721752.

It is an arithmetic number, because the mean of its divisors is an integer number (33052180).

Almost surely, 2^122765227 is an apocalyptic number.

122765227 is a deficient number, since it is larger than the sum of its proper divisors (9443493).

122765227 is an equidigital number, since it uses as much as digits as its factorization.

122765227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443492.

The product of its digits is 23520, while the sum is 34.

The square root of 122765227 is about 11079.9470666606. The cubic root of 122765227 is about 497.0023669740.

The spelling of 122765227 in words is "one hundred twenty-two million, seven hundred sixty-five thousand, two hundred twenty-seven".