122165005 has 16 divisors (see below), whose sum is σ = 149655600. Its totient is φ = 95708160.

The previous prime is 122164981. The next prime is 122165027. The reversal of 122165005 is 500561221.

It can be written as a sum of positive squares in 8 ways, for example, as 61418569 + 60746436 = 7837^2 + 7794^2 .

It is a de Polignac number, because none of the positive numbers 2^k-122165005 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81301 + ... + 82789.

It is an arithmetic number, because the mean of its divisors is an integer number (9353475).

Almost surely, 2^122165005 is an apocalyptic number.

It is an amenable number.

122165005 is a deficient number, since it is larger than the sum of its proper divisors (27490595).

122165005 is a wasteful number, since it uses less digits than its factorization.

122165005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 122165005 is about 11052.8279186822. The cubic root of 122165005 is about 496.1910643653.

The spelling of 122165005 in words is "one hundred twenty-two million, one hundred sixty-five thousand, five".