1671243 has 12 divisors (see below), whose sum is σ = 2592360. Its totient is φ = 954912.

The previous prime is 1671227. The next prime is 1671277. The reversal of 1671243 is 3421761.

It is not a de Polignac number, because 1671243 - 2⁴ = 1671227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1671223) 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, 5538 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (216030).

2^1671243 is an apocalyptic number.

1671243 is a deficient number, since it is larger than the sum of its proper divisors (921117).

1671243 is a wasteful number, since it uses less digits than its factorization.

1671243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386 (or 11379 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 1671243 is about 1292.7656400137. The cubic root of 1671243 is about 118.6715278417.

The spelling of 1671243 in words is "one million, six hundred seventy-one thousand, two hundred forty-three".