1011260560 has 40 divisors (see below), whose sum is σ = 2474930880. Its totient is φ = 383213952.

The previous prime is 1011260533. The next prime is 1011260567. The reversal of 1011260560 is 650621101.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1011260567) 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 7 ways as a sum of consecutive naturals, for example, 331132 + ... + 334171.

It is an arithmetic number, because the mean of its divisors is an integer number (61873272).

Almost surely, 2^1011260560 is an apocalyptic number.

1011260560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011260560 is an abundant number, since it is smaller than the sum of its proper divisors (1463670320).

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

1011260560 is a wasteful number, since it uses less digits than its factorization.

1011260560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665335 (or 665329 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1011260560 is about 31800.3232687971. The cubic root of 1011260560 is about 1003.7395185697.

Adding to 1011260560 its reverse (650621101), we get a palindrome (1661881661).

The spelling of 1011260560 in words is "one billion, eleven million, two hundred sixty thousand, five hundred sixty".