1260453564 has 36 divisors (see below), whose sum is σ = 3296016360. Its totient is φ = 405662880.

The previous prime is 1260453527. The next prime is 1260453577. The reversal of 1260453564 is 4653540621.

1260453564 is a `hidden beast` number, since 1 + 2 + 60 + 4 + 535 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602622 + ... + 604709.

It is an arithmetic number, because the mean of its divisors is an integer number (91556010).

Almost surely, 2^1260453564 is an apocalyptic number.

It is an amenable number.

1260453564 is an abundant number, since it is smaller than the sum of its proper divisors (2035562796).

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

1260453564 is a wasteful number, since it uses less digits than its factorization.

1260453564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207370 (or 1207365 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1260453564 is about 35502.8669828227. The cubic root of 1260453564 is about 1080.2118822970.

The spelling of 1260453564 in words is "one billion, two hundred sixty million, four hundred fifty-three thousand, five hundred sixty-four".