1177871 has 4 divisors (see below), whose sum is σ = 1190112. Its totient is φ = 1165632.

The previous prime is 1177859. The next prime is 1177873. The reversal of 1177871 is 1787711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1787711 = 283 ⋅6317.

It is a cyclic number.

It is not a de Polignac number, because 1177871 - 2¹⁴ = 1161487 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 (1177873) 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, 5975 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (297528).

2^1177871 is an apocalyptic number.

1177871 is a deficient number, since it is larger than the sum of its proper divisors (12241).

1177871 is an equidigital number, since it uses as much as digits as its factorization.

1177871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240.

The product of its digits is 2744, while the sum is 32.

The square root of 1177871 is about 1085.2976550237. The cubic root of 1177871 is about 105.6085897034.

It can be divided in two parts, 1177 and 871, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1177871 in words is "one million, one hundred seventy-seven thousand, eight hundred seventy-one".