122163766 has 4 divisors (see below), whose sum is σ = 183245652. Its totient is φ = 61081882.

The previous prime is 122163761. The next prime is 122163793. The reversal of 122163766 is 667361221.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122163761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30540940 + ... + 30540943.

It is an arithmetic number, because the mean of its divisors is an integer number (45811413).

Almost surely, 2^122163766 is an apocalyptic number.

122163766 is a deficient number, since it is larger than the sum of its proper divisors (61081886).

122163766 is an equidigital number, since it uses as much as digits as its factorization.

122163766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61081885.

The product of its digits is 18144, while the sum is 34.

The square root of 122163766 is about 11052.7718695357. The cubic root of 122163766 is about 496.1893868997.

The spelling of 122163766 in words is "one hundred twenty-two million, one hundred sixty-three thousand, seven hundred sixty-six".