1260530556 has 24 divisors (see below), whose sum is σ = 3036117504. Its totient is φ = 406622640.

The previous prime is 1260530473. The next prime is 1260530573. The reversal of 1260530556 is 6550350621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693890 + ... + 1694633.

It is an arithmetic number, because the mean of its divisors is an integer number (126504896).

Almost surely, 2^1260530556 is an apocalyptic number.

It is an amenable number.

1260530556 is an abundant number, since it is smaller than the sum of its proper divisors (1775586948).

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

1260530556 is a wasteful number, since it uses less digits than its factorization.

1260530556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388561 (or 3388559 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1260530556 is about 35503.9512730626. The cubic root of 1260530556 is about 1080.2338759619.

The spelling of 1260530556 in words is "one billion, two hundred sixty million, five hundred thirty thousand, five hundred fifty-six".