1263341112 has 32 divisors (see below), whose sum is σ = 3445476480. Its totient is φ = 382830560.

The previous prime is 1263341089. The next prime is 1263341129. The reversal of 1263341112 is 2111433621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392428 + ... + 2392955.

It is an arithmetic number, because the mean of its divisors is an integer number (107671140).

Almost surely, 2^1263341112 is an apocalyptic number.

1263341112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263341112 is an abundant number, since it is smaller than the sum of its proper divisors (2182135368).

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

1263341112 is a wasteful number, since it uses less digits than its factorization.

1263341112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785403 (or 4785399 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1263341112 is about 35543.5101249159. The cubic root of 1263341112 is about 1081.0361318368.

Adding to 1263341112 its reverse (2111433621), we get a palindrome (3374774733).

The spelling of 1263341112 in words is "one billion, two hundred sixty-three million, three hundred forty-one thousand, one hundred twelve".