1271879 has 16 divisors (see below), whose sum is σ = 1562880. Its totient is φ = 1010880.

The previous prime is 1271849. The next prime is 1271903. The reversal of 1271879 is 9781721.

It is a cyclic number.

It is not a de Polignac number, because 1271879 - 2²⁰ = 223303 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9644 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (97680).

2^1271879 is an apocalyptic number.

1271879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1271879 is a deficient number, since it is larger than the sum of its proper divisors (291001).

1271879 is a wasteful number, since it uses less digits than its factorization.

1271879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its digits is 7056, while the sum is 35.

The square root of 1271879 is about 1127.7761302670. The cubic root of 1271879 is about 108.3465945633.

The spelling of 1271879 in words is "one million, two hundred seventy-one thousand, eight hundred seventy-nine".