43126161 has 32 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 24105984.

The previous prime is 43126157. The next prime is 43126169. The reversal of 43126161 is 16162134.

It is not a de Polignac number, because 43126161 - 2² = 43126157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43126169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18106 + ... + 20348.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^43126161 is an apocalyptic number.

It is an amenable number.

43126161 is a deficient number, since it is larger than the sum of its proper divisors (24732399).

43126161 is a wasteful number, since it uses less digits than its factorization.

43126161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305.

The product of its digits is 864, while the sum is 24.

The square root of 43126161 is about 6567.0511647162. The cubic root of 43126161 is about 350.6821011092.

Adding to 43126161 its reverse (16162134), we get a palindrome (59288295).

The spelling of 43126161 in words is "forty-three million, one hundred twenty-six thousand, one hundred sixty-one".