1260134564 has 24 divisors (see below), whose sum is σ = 2456763960. Its totient is φ = 561544704.

The previous prime is 1260134563. The next prime is 1260134591. The reversal of 1260134564 is 4654310621.

It can be written as a sum of positive squares in 4 ways, for example, as 158558464 + 1101576100 = 12592^2 + 33190^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1260134564.

It is not an unprimeable number, because it can be changed into a prime (1260134563) by changing a digit.

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, 416309 + ... + 419324.

It is an arithmetic number, because the mean of its divisors is an integer number (102365165).

Almost surely, 2^1260134564 is an apocalyptic number.

It is an amenable number.

1260134564 is a deficient number, since it is larger than the sum of its proper divisors (1196629396).

1260134564 is a wasteful number, since it uses less digits than its factorization.

1260134564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835679 (or 835677 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1260134564 is about 35498.3741036121. The cubic root of 1260134564 is about 1080.1207466735.

The spelling of 1260134564 in words is "one billion, two hundred sixty million, one hundred thirty-four thousand, five hundred sixty-four".