1043161 has 12 divisors (see below), whose sum is σ = 1236900. Its totient is φ = 876960.

The previous prime is 1043131. The next prime is 1043167. The reversal of 1043161 is 1613401.

1043161 = 25² + 26² + ... + 146².

It can be written as a sum of positive squares in 2 ways, for example, as 337561 + 705600 = 581^2 + 840^2 .

It is not a de Polignac number, because 1043161 - 2¹⁷ = 912089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043167) 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, 2815 + ... + 3163.

It is an arithmetic number, because the mean of its divisors is an integer number (103075).

2^1043161 is an apocalyptic number.

It is an amenable number.

1043161 is a deficient number, since it is larger than the sum of its proper divisors (193739).

1043161 is an equidigital number, since it uses as much as digits as its factorization.

1043161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1043161 is about 1021.3525346324. The cubic root of 1043161 is about 101.4184838968.

Adding to 1043161 its reverse (1613401), we get a palindrome (2656562).

The spelling of 1043161 in words is "one million, forty-three thousand, one hundred sixty-one".