122125611 has 8 divisors (see below), whose sum is σ = 162933760. Its totient is φ = 81367272.

The previous prime is 122125579. The next prime is 122125639. The reversal of 122125611 is 116521221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122125611 - 2⁵ = 122125579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122126611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6295 + ... + 16848.

It is an arithmetic number, because the mean of its divisors is an integer number (20366720).

Almost surely, 2^122125611 is an apocalyptic number.

122125611 is a deficient number, since it is larger than the sum of its proper divisors (40808149).

122125611 is a wasteful number, since it uses less digits than its factorization.

122125611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24905.

The product of its digits is 240, while the sum is 21.

The square root of 122125611 is about 11051.0456971275. The cubic root of 122125611 is about 496.1377237974.

Adding to 122125611 its reverse (116521221), we get a palindrome (238646832).

The spelling of 122125611 in words is "one hundred twenty-two million, one hundred twenty-five thousand, six hundred eleven".