1226871 has 6 divisors (see below), whose sum is σ = 1772160. Its totient is φ = 817908.

The previous prime is 1226867. The next prime is 1226891. The reversal of 1226871 is 1786221.

It is not a de Polignac number, because 1226871 - 2² = 1226867 is a prime.

1226871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226801) 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, 68151 + ... + 68168.

It is an arithmetic number, because the mean of its divisors is an integer number (295360).

2^1226871 is an apocalyptic number.

1226871 is a deficient number, since it is larger than the sum of its proper divisors (545289).

1226871 is a wasteful number, since it uses less digits than its factorization.

1226871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136325 (or 136322 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1226871 is about 1107.6420902078. The cubic root of 1226871 is about 107.0531950828.

The spelling of 1226871 in words is "one million, two hundred twenty-six thousand, eight hundred seventy-one".