1641141 has 10 divisors (see below), whose sum is σ = 2451702. Its totient is φ = 1094040.

The previous prime is 1641137. The next prime is 1641161. The reversal of 1641141 is 1411461.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 731025 = 954^2 + 855^2 .

It is not a de Polignac number, because 1641141 - 2² = 1641137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10050 + ... + 10211.

2^1641141 is an apocalyptic number.

It is an amenable number.

1641141 is a deficient number, since it is larger than the sum of its proper divisors (810561).

1641141 is an equidigital number, since it uses as much as digits as its factorization.

1641141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20273 (or 20264 counting only the distinct ones).

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

The square root of 1641141 is about 1281.0702556847. The cubic root of 1641141 is about 117.9547130631.

The spelling of 1641141 in words is "one million, six hundred forty-one thousand, one hundred forty-one".