1256675660 has 48 divisors (see below), whose sum is σ = 2701762560. Its totient is φ = 490772160.

The previous prime is 1256675653. The next prime is 1256675663. The reversal of 1256675660 is 665766521.

1256675660 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1256675663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448865 + ... + 451655.

It is an arithmetic number, because the mean of its divisors is an integer number (56286720).

Almost surely, 2^1256675660 is an apocalyptic number.

1256675660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1256675660 is an abundant number, since it is smaller than the sum of its proper divisors (1445086900).

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

1256675660 is a wasteful number, since it uses less digits than its factorization.

1256675660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 1256675660 is about 35449.6214366247. The cubic root of 1256675660 is about 1079.1315778424.

The spelling of 1256675660 in words is "one billion, two hundred fifty-six million, six hundred seventy-five thousand, six hundred sixty".