1258787853 has 12 divisors (see below), whose sum is σ = 1818872640. Its totient is φ = 838904136.

The previous prime is 1258787843. The next prime is 1258787869. The reversal of 1258787853 is 3587878521.

1258787853 is a `hidden beast` number, since 1 + 2 + 587 + 8 + 7 + 8 + 53 = 666.

It is not a de Polignac number, because 1258787853 - 2¹⁰ = 1258786829 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1258787853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258787843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5650 + ... + 50492.

It is an arithmetic number, because the mean of its divisors is an integer number (151572720).

Almost surely, 2^1258787853 is an apocalyptic number.

It is an amenable number.

1258787853 is a deficient number, since it is larger than the sum of its proper divisors (560084787).

1258787853 is a wasteful number, since it uses less digits than its factorization.

1258787853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47968 (or 47965 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The square root of 1258787853 is about 35479.4004036145. The cubic root of 1258787853 is about 1079.7358330240.

The spelling of 1258787853 in words is "one billion, two hundred fifty-eight million, seven hundred eighty-seven thousand, eight hundred fifty-three".