1131260460 has 72 divisors (see below), whose sum is σ = 3481686768. Its totient is φ = 274243200.

The previous prime is 1131260447. The next prime is 1131260467. The reversal of 1131260460 is 640621311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131260460.

It is not an unprimeable number, because it can be changed into a prime (1131260467) 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, 70651 + ... + 85170.

Almost surely, 2^1131260460 is an apocalyptic number.

1131260460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131260460 is an abundant number, since it is smaller than the sum of its proper divisors (2350426308).

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

1131260460 is a wasteful number, since it uses less digits than its factorization.

1131260460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155855 (or 155842 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1131260460 is about 33634.2156144602. The cubic root of 1131260460 is about 1041.9675708265.

Adding to 1131260460 its reverse (640621311), we get a palindrome (1771881771).

The spelling of 1131260460 in words is "one billion, one hundred thirty-one million, two hundred sixty thousand, four hundred sixty".