1243966226 has 8 divisors (see below), whose sum is σ = 1884065664. Its totient is φ = 615944340.

The previous prime is 1243966193. The next prime is 1243966231. The reversal of 1243966226 is 6226693421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3019130 + ... + 3019541.

It is an arithmetic number, because the mean of its divisors is an integer number (235508208).

Almost surely, 2^1243966226 is an apocalyptic number.

1243966226 is a deficient number, since it is larger than the sum of its proper divisors (640099438).

1243966226 is a wasteful number, since it uses less digits than its factorization.

1243966226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038776.

The product of its digits is 186624, while the sum is 41.

The square root of 1243966226 is about 35269.9053868876. The cubic root of 1243966226 is about 1075.4812991011.

The spelling of 1243966226 in words is "one billion, two hundred forty-three million, nine hundred sixty-six thousand, two hundred twenty-six".