1263786792 has 16 divisors (see below), whose sum is σ = 3159467040. Its totient is φ = 421262256.

The previous prime is 1263786791. The next prime is 1263786793. The reversal of 1263786792 is 2976873621.

1263786792 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1263786791) and next prime (1263786793).

It is not an unprimeable number, because it can be changed into a prime (1263786791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26328868 + ... + 26328915.

It is an arithmetic number, because the mean of its divisors is an integer number (197466690).

Almost surely, 2^1263786792 is an apocalyptic number.

1263786792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263786792 is an abundant number, since it is smaller than the sum of its proper divisors (1895680248).

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

1263786792 is a wasteful number, since it uses less digits than its factorization.

1263786792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52657792 (or 52657788 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 1263786792 is about 35549.7790710435. The cubic root of 1263786792 is about 1081.1632391119.

The spelling of 1263786792 in words is "one billion, two hundred sixty-three million, seven hundred eighty-six thousand, seven hundred ninety-two".