1226026159 has 2 divisors, whose sum is σ = 1226026160. Its totient is φ = 1226026158.

The previous prime is 1226026147. The next prime is 1226026163. The reversal of 1226026159 is 9516206221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1226026159 - 2²⁵ = 1192471727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226026169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613013079 + 613013080.

It is an arithmetic number, because the mean of its divisors is an integer number (613013080).

Almost surely, 2^1226026159 is an apocalyptic number.

1226026159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226026159 is an equidigital number, since it uses as much as digits as its factorization.

1226026159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1226026159 is about 35014.6563455933. The cubic root of 1226026159 is about 1070.2861665082.

The spelling of 1226026159 in words is "one billion, two hundred twenty-six million, twenty-six thousand, one hundred fifty-nine".