122166245 has 6 divisors (see below), whose sum is σ = 146629158. Its totient is φ = 97713224.

The previous prime is 122166229. The next prime is 122166251. The reversal of 122166245 is 542661221.

It can be written as a sum of positive squares in only one way, i.e., 97732996 + 24433249 = 9886^2 + 4943^2 .

It is not a de Polignac number, because 122166245 - 2⁴ = 122166229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22244 + ... + 27186.

It is an arithmetic number, because the mean of its divisors is an integer number (24438193).

Almost surely, 2^122166245 is an apocalyptic number.

It is an amenable number.

122166245 is a deficient number, since it is larger than the sum of its proper divisors (24462913).

122166245 is an frugal number, since it uses more digits than its factorization.

122166245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9891 (or 4948 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 122166245 is about 11052.8840127815. The cubic root of 122166245 is about 496.1927431735.

The spelling of 122166245 in words is "one hundred twenty-two million, one hundred sixty-six thousand, two hundred forty-five".