1270846660 has 48 divisors (see below), whose sum is σ = 2743055280. Its totient is φ = 494274560.

The previous prime is 1270846649. The next prime is 1270846663. The reversal of 1270846660 is 666480721.

It can be written as a sum of positive squares in 8 ways, for example, as 317766276 + 953080384 = 17826^2 + 30872^2 .

It is not an unprimeable number, because it can be changed into a prime (1270846663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 257496 + ... + 262384.

It is an arithmetic number, because the mean of its divisors is an integer number (57146985).

Almost surely, 2^1270846660 is an apocalyptic number.

1270846660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270846660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371527640).

1270846660 is an abundant number, since it is smaller than the sum of its proper divisors (1472208620).

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

1270846660 is a wasteful number, since it uses less digits than its factorization.

1270846660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5254 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1270846660 is about 35648.9363095170. The cubic root of 1270846660 is about 1083.1727290647.

The spelling of 1270846660 in words is "one billion, two hundred seventy million, eight hundred forty-six thousand, six hundred sixty".