1263882630 has 64 divisors (see below), whose sum is σ = 3122815680. Its totient is φ = 327135744.

The previous prime is 1263882569. The next prime is 1263882647. The reversal of 1263882630 is 362883621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563872 + ... + 566108.

It is an arithmetic number, because the mean of its divisors is an integer number (48793995).

Almost surely, 2^1263882630 is an apocalyptic number.

1263882630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1263882630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561407840).

1263882630 is an abundant number, since it is smaller than the sum of its proper divisors (1858933050).

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

1263882630 is a wasteful number, since it uses less digits than its factorization.

1263882630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1263882630 is about 35551.1269863559. The cubic root of 1263882630 is about 1081.1905680633.

Subtracting from 1263882630 its reverse (362883621), we obtain a palindrome (900999009).

The spelling of 1263882630 in words is "one billion, two hundred sixty-three million, eight hundred eighty-two thousand, six hundred thirty".