1260061256 has 32 divisors (see below), whose sum is σ = 2471212800. Its totient is φ = 601201920.

The previous prime is 1260061219. The next prime is 1260061291. The reversal of 1260061256 is 6521600621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71360 + ... + 87248.

It is an arithmetic number, because the mean of its divisors is an integer number (77225400).

Almost surely, 2^1260061256 is an apocalyptic number.

It is an amenable number.

1260061256 is a deficient number, since it is larger than the sum of its proper divisors (1211151544).

1260061256 is a wasteful number, since it uses less digits than its factorization.

1260061256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16349 (or 16345 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1260061256 is about 35497.3415342614. The cubic root of 1260061256 is about 1080.0998010196.

Adding to 1260061256 its reverse (6521600621), we get a palindrome (7781661877).

The spelling of 1260061256 in words is "one billion, two hundred sixty million, sixty-one thousand, two hundred fifty-six".