1263141360 has 120 divisors (see below), whose sum is σ = 4568395104. Its totient is φ = 310924800.

The previous prime is 1263141343. The next prime is 1263141367. The reversal of 1263141360 is 631413621.

1263141360 is a `hidden beast` number, since 1 + 263 + 1 + 41 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263141367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58116 + ... + 76835.

Almost surely, 2^1263141360 is an apocalyptic number.

1263141360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263141360 is an abundant number, since it is smaller than the sum of its proper divisors (3305253744).

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

1263141360 is a wasteful number, since it uses less digits than its factorization.

1263141360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134983 (or 134974 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1263141360 is about 35540.7000493800. The cubic root of 1263141360 is about 1080.9791531609.

Adding to 1263141360 its reverse (631413621), we get a palindrome (1894554981).

The spelling of 1263141360 in words is "one billion, two hundred sixty-three million, one hundred forty-one thousand, three hundred sixty".