122152665 has 16 divisors (see below), whose sum is σ = 195581376. Its totient is φ = 65102400.

The previous prime is 122152621. The next prime is 122152673. The reversal of 122152665 is 566251221.

It is not a de Polignac number, because 122152665 - 2⁸ = 122152409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39630 + ... + 42600.

It is an arithmetic number, because the mean of its divisors is an integer number (12223836).

Almost surely, 2^122152665 is an apocalyptic number.

122152665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122152665 is a deficient number, since it is larger than the sum of its proper divisors (73428711).

122152665 is a wasteful number, since it uses less digits than its factorization.

122152665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720.

The product of its digits is 7200, while the sum is 30.

The square root of 122152665 is about 11052.2696764058. The cubic root of 122152665 is about 496.1743568969.

The spelling of 122152665 in words is "one hundred twenty-two million, one hundred fifty-two thousand, six hundred sixty-five".