1257576468 has 12 divisors (see below), whose sum is σ = 2934345120. Its totient is φ = 419192152.

The previous prime is 1257576443. The next prime is 1257576469. The reversal of 1257576468 is 8646757521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1257576468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1257576469) 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 3 ways as a sum of consecutive naturals, for example, 52399008 + ... + 52399031.

It is an arithmetic number, because the mean of its divisors is an integer number (244528760).

Almost surely, 2^1257576468 is an apocalyptic number.

It is an amenable number.

1257576468 is an abundant number, since it is smaller than the sum of its proper divisors (1676768652).

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

1257576468 is a wasteful number, since it uses less digits than its factorization.

1257576468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104798046 (or 104798044 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The square root of 1257576468 is about 35462.3246276947. The cubic root of 1257576468 is about 1079.3893633132.

The spelling of 1257576468 in words is "one billion, two hundred fifty-seven million, five hundred seventy-six thousand, four hundred sixty-eight".