1071889 has 8 divisors (see below), whose sum is σ = 1319360. Its totient is φ = 848016.

The previous prime is 1071871. The next prime is 1071899. The reversal of 1071889 is 9881701.

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

It is not a de Polignac number, because 1071889 - 2⁵ = 1071857 is a prime.

It is a super-2 number, since 2×1071889² = 2297892056642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071899) 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, 5799 + ... + 5980.

It is an arithmetic number, because the mean of its divisors is an integer number (164920).

2^1071889 is an apocalyptic number.

It is an amenable number.

1071889 is a deficient number, since it is larger than the sum of its proper divisors (247471).

1071889 is a wasteful number, since it uses less digits than its factorization.

1071889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11799.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1071889 is about 1035.3207232544. The cubic root of 1071889 is about 102.3410664001.

The spelling of 1071889 in words is "one million, seventy-one thousand, eight hundred eighty-nine".