1260551012 has 12 divisors (see below), whose sum is σ = 2521102080. Its totient is φ = 540236136.

The previous prime is 1260551011. The next prime is 1260551021. The reversal of 1260551012 is 2101550621.

It is a happy number.

1260551012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1260551011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22509812 + ... + 22509867.

It is an arithmetic number, because the mean of its divisors is an integer number (210091840).

Almost surely, 2^1260551012 is an apocalyptic number.

It is an amenable number.

1260551012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1260551012 is a wasteful number, since it uses less digits than its factorization.

1260551012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45019690 (or 45019688 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1260551012 is about 35504.2393525055. The cubic root of 1260551012 is about 1080.2397193068.

The spelling of 1260551012 in words is "one billion, two hundred sixty million, five hundred fifty-one thousand, twelve".