1880071 has 4 divisors (see below), whose sum is σ = 1883752. Its totient is φ = 1876392.

The previous prime is 1880027. The next prime is 1880093. The reversal of 1880071 is 1700881.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1880071 - 2¹³ = 1871879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (470938).

2^1880071 is an apocalyptic number.

1880071 is a deficient number, since it is larger than the sum of its proper divisors (3681).

1880071 is an equidigital number, since it uses as much as digits as its factorization.

1880071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 1880071 is about 1371.1568108718. The cubic root of 1880071 is about 123.4216695289.

It can be divided in two parts, 18 and 80071, that added together give a square (80089 = 283²).

The spelling of 1880071 in words is "one million, eight hundred eighty thousand, seventy-one".