1226159 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 1023360.

The previous prime is 1226117. The next prime is 1226179. The reversal of 1226159 is 9516221.

It is a cyclic number.

It is not a de Polignac number, because 1226159 - 2¹² = 1222063 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 (1226179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14732 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1226159 is an apocalyptic number.

1226159 is a deficient number, since it is larger than the sum of its proper divisors (225361).

1226159 is a wasteful number, since it uses less digits than its factorization.

1226159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190.

The product of its digits is 1080, while the sum is 26.

The square root of 1226159 is about 1107.3206401038. The cubic root of 1226159 is about 107.0324820591.

The spelling of 1226159 in words is "one million, two hundred twenty-six thousand, one hundred fifty-nine".