1263205132 has 24 divisors (see below), whose sum is σ = 2527175840. Its totient is φ = 541209600.

The previous prime is 1263205117. The next prime is 1263205159. The reversal of 1263205132 is 2315023621.

It is a super-2 number, since 2×1263205132² = 3191374411022274848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1263205097 and 1263205106.

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, 151882 + ... + 159982.

Almost surely, 2^1263205132 is an apocalyptic number.

It is an amenable number.

1263205132 is an abundant number, since it is smaller than the sum of its proper divisors (1263970708).

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

1263205132 is a wasteful number, since it uses less digits than its factorization.

1263205132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1263205132 is about 35541.5972066535. The cubic root of 1263205132 is about 1080.9973445908.

Adding to 1263205132 its reverse (2315023621), we get a palindrome (3578228753).

The spelling of 1263205132 in words is "one billion, two hundred sixty-three million, two hundred five thousand, one hundred thirty-two".