122773685 has 4 divisors (see below), whose sum is σ = 147328428. Its totient is φ = 98218944.

The previous prime is 122773667. The next prime is 122773723. The reversal of 122773685 is 586377221.

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 82755409 + 40018276 = 9097^2 + 6326^2 .

It is a cyclic number.

It is not a de Polignac number, because 122773685 - 2⁶ = 122773621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12277364 + ... + 12277373.

It is an arithmetic number, because the mean of its divisors is an integer number (36832107).

Almost surely, 2^122773685 is an apocalyptic number.

It is an amenable number.

122773685 is a deficient number, since it is larger than the sum of its proper divisors (24554743).

122773685 is an equidigital number, since it uses as much as digits as its factorization.

122773685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24554742.

The product of its digits is 141120, while the sum is 41.

The square root of 122773685 is about 11080.3287406105. The cubic root of 122773685 is about 497.0137804923.

The spelling of 122773685 in words is "one hundred twenty-two million, seven hundred seventy-three thousand, six hundred eighty-five".