1263835130 has 32 divisors (see below), whose sum is σ = 2309688000. Its totient is φ = 497826432.

The previous prime is 1263835081. The next prime is 1263835193. The reversal of 1263835130 is 315383621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743021 + ... + 744719.

It is an arithmetic number, because the mean of its divisors is an integer number (72177750).

Almost surely, 2^1263835130 is an apocalyptic number.

1263835130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1263835130 is a deficient number, since it is larger than the sum of its proper divisors (1045852870).

1263835130 is a wasteful number, since it uses less digits than its factorization.

1263835130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1263835130 is about 35550.4589281207. The cubic root of 1263835130 is about 1081.1770232414.

The spelling of 1263835130 in words is "one billion, two hundred sixty-three million, eight hundred thirty-five thousand, one hundred thirty".