1260143241 has 80 divisors (see below), whose sum is σ = 2134496448. Its totient is φ = 658560000.

The previous prime is 1260143237. The next prime is 1260143279. The reversal of 1260143241 is 1423410621.

It is not a de Polignac number, because 1260143241 - 2² = 1260143237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260143231) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5020366 + ... + 5020616.

Almost surely, 2^1260143241 is an apocalyptic number.

It is an amenable number.

1260143241 is a deficient number, since it is larger than the sum of its proper divisors (874353207).

1260143241 is an equidigital number, since it uses as much as digits as its factorization.

1260143241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1260143241 is about 35498.4963202669. The cubic root of 1260143241 is about 1080.1232258230.

Adding to 1260143241 its reverse (1423410621), we get a palindrome (2683553862).

The spelling of 1260143241 in words is "one billion, two hundred sixty million, one hundred forty-three thousand, two hundred forty-one".