122825171605 has 16 divisors (see below), whose sum is σ = 152572492800. Its totient is φ = 94809718080.

The previous prime is 122825171603. The next prime is 122825171611. The reversal of 122825171605 is 506171528221.

It is not a de Polignac number, because 122825171605 - 2¹ = 122825171603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122825171603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54645 + ... + 498634.

It is an arithmetic number, because the mean of its divisors is an integer number (9535780800).

Almost surely, 2^122825171605 is an apocalyptic number.

It is an amenable number.

122825171605 is a deficient number, since it is larger than the sum of its proper divisors (29747321195).

122825171605 is a wasteful number, since it uses less digits than its factorization.

122825171605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554844.

The product of its (nonzero) digits is 67200, while the sum is 40.

Adding to 122825171605 its reverse (506171528221), we get a palindrome (628996699826).

The spelling of 122825171605 in words is "one hundred twenty-two billion, eight hundred twenty-five million, one hundred seventy-one thousand, six hundred five".