1260558270 has 96 divisors (see below), whose sum is σ = 3402157824. Its totient is φ = 323481600.

The previous prime is 1260558259. The next prime is 1260558289. The reversal of 1260558270 is 728550621.

It is a happy number.

1260558270 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 5 + 582 + 70 = 666.

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 47 ways as a sum of consecutive naturals, for example, 537300 + ... + 539640.

It is an arithmetic number, because the mean of its divisors is an integer number (35439144).

Almost surely, 2^1260558270 is an apocalyptic number.

1260558270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260558270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701078912).

1260558270 is an abundant number, since it is smaller than the sum of its proper divisors (2141599554).

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

1260558270 is a wasteful number, since it uses less digits than its factorization.

1260558270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1260558270 is about 35504.3415655044. The cubic root of 1260558270 is about 1080.2417925708.

The spelling of 1260558270 in words is "one billion, two hundred sixty million, five hundred fifty-eight thousand, two hundred seventy".