122265547 has 4 divisors (see below), whose sum is σ = 129457656. Its totient is φ = 115073440.

The previous prime is 122265529. The next prime is 122265571. The reversal of 122265547 is 745562221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122265547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122265527) 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, 3596029 + ... + 3596062.

It is an arithmetic number, because the mean of its divisors is an integer number (32364414).

Almost surely, 2^122265547 is an apocalyptic number.

122265547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122265547 is a deficient number, since it is larger than the sum of its proper divisors (7192109).

122265547 is an equidigital number, since it uses as much as digits as its factorization.

122265547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192108.

The product of its digits is 33600, while the sum is 34.

The square root of 122265547 is about 11057.3752310392. The cubic root of 122265547 is about 496.3271490601.

The spelling of 122265547 in words is "one hundred twenty-two million, two hundred sixty-five thousand, five hundred forty-seven".