1263180116 has 48 divisors (see below), whose sum is σ = 2542848000. Its totient is φ = 543011040.

The previous prime is 1263180103. The next prime is 1263180187. The reversal of 1263180116 is 6110813621.

It is a congruent number.

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, 717245 + ... + 719003.

It is an arithmetic number, because the mean of its divisors is an integer number (52976000).

Almost surely, 2^1263180116 is an apocalyptic number.

It is an amenable number.

1263180116 is an abundant number, since it is smaller than the sum of its proper divisors (1279667884).

1263180116 is a wasteful number, since it uses less digits than its factorization.

1263180116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1263180116 is about 35541.2452792527. The cubic root of 1263180116 is about 1080.9902086666.

Adding to 1263180116 its reverse (6110813621), we get a palindrome (7373993737).

The spelling of 1263180116 in words is "one billion, two hundred sixty-three million, one hundred eighty thousand, one hundred sixteen".