122450642645165 has 64 divisors (see below), whose sum is σ = 155287771660800. Its totient is φ = 92437791473664.

The previous prime is 122450642645131. The next prime is 122450642645183. The reversal of 122450642645165 is 561546246054221.

It is a cyclic number.

It is not a de Polignac number, because 122450642645165 - 2¹⁸ = 122450642383021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65376743669 + ... + 65376745541.

It is an arithmetic number, because the mean of its divisors is an integer number (2426371432200).

Almost surely, 2^{122450642645165} is an apocalyptic number.

It is an amenable number.

122450642645165 is a deficient number, since it is larger than the sum of its proper divisors (32837129015635).

122450642645165 is a wasteful number, since it uses less digits than its factorization.

122450642645165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566.

The product of its (nonzero) digits is 13824000, while the sum is 53.

Adding to 122450642645165 its reverse (561546246054221), we get a palindrome (683996888699386).

The spelling of 122450642645165 in words is "one hundred twenty-two trillion, four hundred fifty billion, six hundred forty-two million, six hundred forty-five thousand, one hundred sixty-five".