122166256 has 10 divisors (see below), whose sum is σ = 236697152. Its totient is φ = 61083120.

The previous prime is 122166251. The next prime is 122166263. The reversal of 122166256 is 652661221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166251) 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 as a sum of consecutive naturals, namely, 3817680 + ... + 3817711.

Almost surely, 2^122166256 is an apocalyptic number.

122166256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122166256 is a deficient number, since it is larger than the sum of its proper divisors (114530896).

122166256 is an equidigital number, since it uses as much as digits as its factorization.

122166256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7635399 (or 7635393 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 122166256 is about 11052.8845103891. The cubic root of 122166256 is about 496.1927580661.

The spelling of 122166256 in words is "one hundred twenty-two million, one hundred sixty-six thousand, two hundred fifty-six".