1871201 has 8 divisors (see below), whose sum is σ = 1944384. Its totient is φ = 1799280.

The previous prime is 1871183. The next prime is 1871213. The reversal of 1871201 is 1021781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1871201 - 2⁶ = 1871137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1841201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3566 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (243048).

2^1871201 is an apocalyptic number.

It is an amenable number.

1871201 is a deficient number, since it is larger than the sum of its proper divisors (73183).

1871201 is a wasteful number, since it uses less digits than its factorization.

1871201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1871201 is about 1367.9184917238. The cubic root of 1871201 is about 123.2272661653.

Adding to 1871201 its reverse (1021781), we get a palindrome (2892982).

The spelling of 1871201 in words is "one million, eight hundred seventy-one thousand, two hundred one".