1263142360 has 64 divisors (see below), whose sum is σ = 2910206880. Its totient is φ = 493286400.

The previous prime is 1263142333. The next prime is 1263142393. The reversal of 1263142360 is 632413621.

1263142360 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292779 + ... + 297061.

Almost surely, 2^1263142360 is an apocalyptic number.

1263142360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1263142360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455103440).

1263142360 is an abundant number, since it is smaller than the sum of its proper divisors (1647064520).

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

1263142360 is a wasteful number, since it uses less digits than its factorization.

1263142360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468 (or 4464 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1263142360 is about 35540.7141177551. The cubic root of 1263142360 is about 1080.9794384230.

Adding to 1263142360 its reverse (632413621), we get a palindrome (1895555981).

The spelling of 1263142360 in words is "one billion, two hundred sixty-three million, one hundred forty-two thousand, three hundred sixty".