1300126660 has 24 divisors (see below), whose sum is σ = 3120304320. Its totient is φ = 445757664.

The previous prime is 1300126657. The next prime is 1300126673. The reversal of 1300126660 is 666210031.

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, 4643170 + ... + 4643449.

It is an arithmetic number, because the mean of its divisors is an integer number (130012680).

Almost surely, 2^1300126660 is an apocalyptic number.

1300126660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300126660 is an abundant number, since it is smaller than the sum of its proper divisors (1820177660).

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

1300126660 is a wasteful number, since it uses less digits than its factorization.

1300126660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286635 (or 9286633 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1300126660 is about 36057.2691700301. The cubic root of 1300126660 is about 1091.4283269927.

Adding to 1300126660 its reverse (666210031), we get a palindrome (1966336691).

The spelling of 1300126660 in words is "one billion, three hundred million, one hundred twenty-six thousand, six hundred sixty".