1249369226 has 16 divisors (see below), whose sum is σ = 2142645696. Its totient is φ = 535226496.

The previous prime is 1249369211. The next prime is 1249369229. The reversal of 1249369226 is 6229639421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1249369229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20405 + ... + 53991.

It is an arithmetic number, because the mean of its divisors is an integer number (133915356).

Almost surely, 2^1249369226 is an apocalyptic number.

1249369226 is a deficient number, since it is larger than the sum of its proper divisors (893276470).

1249369226 is a wasteful number, since it uses less digits than its factorization.

1249369226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36253.

The product of its digits is 279936, while the sum is 44.

The square root of 1249369226 is about 35346.4174422246. The cubic root of 1249369226 is about 1077.0361196776.

The spelling of 1249369226 in words is "one billion, two hundred forty-nine million, three hundred sixty-nine thousand, two hundred twenty-six".