122041161 has 72 divisors (see below), whose sum is σ = 212565600. Its totient is φ = 69284160.

The previous prime is 122041159. The next prime is 122041177. The reversal of 122041161 is 161140221.

It is not a de Polignac number, because 122041161 - 2¹ = 122041159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122041111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1371205 + ... + 1371293.

It is an arithmetic number, because the mean of its divisors is an integer number (2952300).

Almost surely, 2^122041161 is an apocalyptic number.

122041161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122041161 is a deficient number, since it is larger than the sum of its proper divisors (90524439).

122041161 is an frugal number, since it uses more digits than its factorization.

122041161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 122041161 is about 11047.2241309752. The cubic root of 122041161 is about 496.0233374924.

Adding to 122041161 its reverse (161140221), we get a palindrome (283181382).

The spelling of 122041161 in words is "one hundred twenty-two million, forty-one thousand, one hundred sixty-one".