1199871 has 6 divisors (see below), whose sum is σ = 1733160. Its totient is φ = 799908.

The previous prime is 1199857. The next prime is 1199879. The reversal of 1199871 is 1789911.

It is not a de Polignac number, because 1199871 - 2⁵ = 1199839 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66651 + ... + 66668.

It is an arithmetic number, because the mean of its divisors is an integer number (288860).

2^1199871 is an apocalyptic number.

1199871 is a deficient number, since it is larger than the sum of its proper divisors (533289).

1199871 is a wasteful number, since it uses less digits than its factorization.

1199871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133325 (or 133322 counting only the distinct ones).

The product of its digits is 4536, while the sum is 36.

The square root of 1199871 is about 1095.3862332529. The cubic root of 1199871 is about 106.2620489219.

The spelling of 1199871 in words is "one million, one hundred ninety-nine thousand, eight hundred seventy-one".