122966785 has 4 divisors (see below), whose sum is σ = 147560148. Its totient is φ = 98373424.

The previous prime is 122966783. The next prime is 122966807. The reversal of 122966785 is 587669221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 87778161 + 35188624 = 9369^2 + 5932^2 .

It is a cyclic number.

It is not a de Polignac number, because 122966785 - 2¹ = 122966783 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 12296674 + ... + 12296683.

It is an arithmetic number, because the mean of its divisors is an integer number (36890037).

Almost surely, 2^122966785 is an apocalyptic number.

It is an amenable number.

122966785 is a deficient number, since it is larger than the sum of its proper divisors (24593363).

122966785 is an equidigital number, since it uses as much as digits as its factorization.

122966785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24593362.

The product of its digits is 362880, while the sum is 46.

The square root of 122966785 is about 11089.0389574570. The cubic root of 122966785 is about 497.2742138495.

The spelling of 122966785 in words is "one hundred twenty-two million, nine hundred sixty-six thousand, seven hundred eighty-five".