1268226851 has 8 divisors (see below), whose sum is σ = 1278763200. Its totient is φ = 1257703720.

The previous prime is 1268226847. The next prime is 1268226857. The reversal of 1268226851 is 1586228621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1268226851 - 2² = 1268226847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1268226799 and 1268226808.

It is not an unprimeable number, because it can be changed into a prime (1268226857) 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, 304340 + ... + 308478.

It is an arithmetic number, because the mean of its divisors is an integer number (159845400).

Almost surely, 2^1268226851 is an apocalyptic number.

1268226851 is a deficient number, since it is larger than the sum of its proper divisors (10536349).

1268226851 is a wasteful number, since it uses less digits than its factorization.

1268226851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609.

The product of its digits is 92160, while the sum is 41.

The square root of 1268226851 is about 35612.1727924596. The cubic root of 1268226851 is about 1082.4279085877.

The spelling of 1268226851 in words is "one billion, two hundred sixty-eight million, two hundred twenty-six thousand, eight hundred fifty-one".