1045161 has 12 divisors (see below), whose sum is σ = 1625988. Its totient is φ = 643104.

The previous prime is 1045157. The next prime is 1045183. The reversal of 1045161 is 1615401.

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 837225 = 456^2 + 915^2 .

It is not a de Polignac number, because 1045161 - 2² = 1045157 is a prime.

1045161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1045111) 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 11 ways as a sum of consecutive naturals, for example, 4350 + ... + 4583.

It is an arithmetic number, because the mean of its divisors is an integer number (135499).

2^1045161 is an apocalyptic number.

It is an amenable number.

1045161 is a deficient number, since it is larger than the sum of its proper divisors (580827).

1045161 is a wasteful number, since it uses less digits than its factorization.

1045161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952 (or 8949 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1045161 is about 1022.3311596542. The cubic root of 1045161 is about 101.4832573677.

The spelling of 1045161 in words is "one million, forty-five thousand, one hundred sixty-one".