141121161 has 12 divisors (see below), whose sum is σ = 204122880. Its totient is φ = 93951000.

The previous prime is 141121157. The next prime is 141121171. The reversal of 141121161 is 161121141.

It is not a de Polignac number, because 141121161 - 2² = 141121157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141121171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3681 + ... + 17198.

It is an arithmetic number, because the mean of its divisors is an integer number (17010240).

Almost surely, 2^141121161 is an apocalyptic number.

It is an amenable number.

141121161 is a deficient number, since it is larger than the sum of its proper divisors (63001719).

141121161 is a wasteful number, since it uses less digits than its factorization.

141121161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21636 (or 21633 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

The square root of 141121161 is about 11879.4427899628. The cubic root of 141121161 is about 520.6318269078.

The spelling of 141121161 in words is "one hundred forty-one million, one hundred twenty-one thousand, one hundred sixty-one".