1266829244 has 6 divisors (see below), whose sum is σ = 2216951184. Its totient is φ = 633414620.

The previous prime is 1266829241. The next prime is 1266829247. The reversal of 1266829244 is 4429286621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1266829241) and next prime (1266829247).

It is a super-2 number, since 2×1266829244² = 3209712666907223072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1266829195 and 1266829204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266829241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158353652 + ... + 158353659.

It is an arithmetic number, because the mean of its divisors is an integer number (369491864).

Almost surely, 2^1266829244 is an apocalyptic number.

It is an amenable number.

1266829244 is a deficient number, since it is larger than the sum of its proper divisors (950121940).

1266829244 is a wasteful number, since it uses less digits than its factorization.

1266829244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316707315 (or 316707313 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 1266829244 is about 35592.5447811757. The cubic root of 1266829244 is about 1082.0301446086.

The spelling of 1266829244 in words is "one billion, two hundred sixty-six million, eight hundred twenty-nine thousand, two hundred forty-four".