1047226686 has 144 divisors (see below), whose sum is σ = 2535724800. Its totient is φ = 287258400.

The previous prime is 1047226679. The next prime is 1047226703. The reversal of 1047226686 is 6866227401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13255995 + ... + 13256073.

It is an arithmetic number, because the mean of its divisors is an integer number (17609200).

Almost surely, 2^1047226686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047226686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267862400).

1047226686 is an abundant number, since it is smaller than the sum of its proper divisors (1488498114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047226686 is a wasteful number, since it uses less digits than its factorization.

1047226686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1047226686 is about 32360.8820337147. The cubic root of 1047226686 is about 1015.5007150366.

The spelling of 1047226686 in words is "one billion, forty-seven million, two hundred twenty-six thousand, six hundred eighty-six".