1306420052 has 48 divisors (see below), whose sum is σ = 2646483840. Its totient is φ = 552720000.

The previous prime is 1306420009. The next prime is 1306420057. The reversal of 1306420052 is 2500246031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306420057) 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, 1863302 + ... + 1864002.

It is an arithmetic number, because the mean of its divisors is an integer number (55135080).

Almost surely, 2^1306420052 is an apocalyptic number.

It is an amenable number.

1306420052 is an abundant number, since it is smaller than the sum of its proper divisors (1340063788).

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

1306420052 is a wasteful number, since it uses less digits than its factorization.

1306420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1306420052 is about 36144.4332090019. The cubic root of 1306420052 is about 1093.1865487639.

Adding to 1306420052 its reverse (2500246031), we get a palindrome (3806666083).

The spelling of 1306420052 in words is "one billion, three hundred six million, four hundred twenty thousand, fifty-two".