1303027866 has 192 divisors, whose sum is σ = 3643211520. Its totient is φ = 327628800.

The previous prime is 1303027861. The next prime is 1303027871. The reversal of 1303027866 is 6687203031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1303027861) and next prime (1303027871).

It is a self number, because there is not a number n which added to its sum of digits gives 1303027866.

It is not an unprimeable number, because it can be changed into a prime (1303027861) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4110340 + ... + 4110656.

It is an arithmetic number, because the mean of its divisors is an integer number (18975060).

Almost surely, 2^1303027866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303027866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1821605760).

1303027866 is an abundant number, since it is smaller than the sum of its proper divisors (2340183654).

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

1303027866 is a wasteful number, since it uses less digits than its factorization.

1303027866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1303027866 is about 36097.4772802754. The cubic root of 1303027866 is about 1092.2395571926.

The spelling of 1303027866 in words is "one billion, three hundred three million, twenty-seven thousand, eight hundred sixty-six".