1143260680 has 16 divisors (see below), whose sum is σ = 2572336620. Its totient is φ = 457304256.

The previous prime is 1143260633. The next prime is 1143260689. The reversal of 1143260680 is 860623411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1108756804 + 34503876 = 33298^2 + 5874^2 .

It is not an unprimeable number, because it can be changed into a prime (1143260689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14290719 + ... + 14290798.

Almost surely, 2^1143260680 is an apocalyptic number.

1143260680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143260680 is an abundant number, since it is smaller than the sum of its proper divisors (1429075940).

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

1143260680 is a wasteful number, since it uses less digits than its factorization.

1143260680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28581528 (or 28581524 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1143260680 is about 33812.1380572125. The cubic root of 1143260680 is about 1045.6389581498.

The spelling of 1143260680 in words is "one billion, one hundred forty-three million, two hundred sixty thousand, six hundred eighty".