122966786 has 16 divisors (see below), whose sum is σ = 199108800. Its totient is φ = 56781648.

The previous prime is 122966783. The next prime is 122966807. The reversal of 122966786 is 687669221.

It is a self number, because there is not a number n which added to its sum of digits gives 122966786.

It is not an unprimeable number, because it can be changed into a prime (122966783) 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 in 7 ways as a sum of consecutive naturals, for example, 44756 + ... + 47423.

It is an arithmetic number, because the mean of its divisors is an integer number (12444300).

Almost surely, 2^122966786 is an apocalyptic number.

122966786 is a deficient number, since it is larger than the sum of its proper divisors (76142014).

122966786 is a wasteful number, since it uses less digits than its factorization.

122966786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92233.

The product of its digits is 435456, while the sum is 47.

The square root of 122966786 is about 11089.0390025466. The cubic root of 122966786 is about 497.2742151975.

The spelling of 122966786 in words is "one hundred twenty-two million, nine hundred sixty-six thousand, seven hundred eighty-six".