1263134322 has 18 divisors (see below), whose sum is σ = 2737117773. Its totient is φ = 420994512.

The previous prime is 1263134311. The next prime is 1263134333. The reversal of 1263134322 is 2234313621.

1263134322 is a `hidden beast` number, since 1 + 2 + 631 + 3 + 4 + 3 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (1263134311) and next prime (1263134333).

It can be written as a sum of positive squares in 2 ways, for example, as 1074593961 + 188540361 = 32781^2 + 13731^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25131.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 146598 + ... + 154974.

Almost surely, 2^1263134322 is an apocalyptic number.

1263134322 is an abundant number, since it is smaller than the sum of its proper divisors (1473983451).

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

1263134322 is an frugal number, since it uses more digits than its factorization.

1263134322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16762 (or 8382 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1263134322 is about 35540.6010359983. The cubic root of 1263134322 is about 1080.9771454824.

Adding to 1263134322 its reverse (2234313621), we get a palindrome (3497447943).

The spelling of 1263134322 in words is "one billion, two hundred sixty-three million, one hundred thirty-four thousand, three hundred twenty-two".