122743665 has 48 divisors (see below), whose sum is σ = 235624896. Its totient is φ = 58608000.

The previous prime is 122743657. The next prime is 122743679. The reversal of 122743665 is 566347221.

It is not a de Polignac number, because 122743665 - 2³ = 122743657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31315 + ... + 35015.

It is an arithmetic number, because the mean of its divisors is an integer number (4908852).

Almost surely, 2^122743665 is an apocalyptic number.

122743665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122743665 is a deficient number, since it is larger than the sum of its proper divisors (112881231).

122743665 is a wasteful number, since it uses less digits than its factorization.

122743665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790 (or 3787 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 122743665 is about 11078.9740048436. The cubic root of 122743665 is about 496.9732680922.

The spelling of 122743665 in words is "one hundred twenty-two million, seven hundred forty-three thousand, six hundred sixty-five".