1300001008 has 20 divisors (see below), whose sum is σ = 2531945088. Its totient is φ = 646595840.

The previous prime is 1300000991. The next prime is 1300001039. The reversal of 1300001008 is 8001000031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209641 + ... + 215752.

Almost surely, 2^1300001008 is an apocalyptic number.

It is an amenable number.

1300001008 is a deficient number, since it is larger than the sum of its proper divisors (1231944080).

1300001008 is a wasteful number, since it uses less digits than its factorization.

1300001008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425592 (or 425586 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1300001008 is about 36055.5267330821. The cubic root of 1300001008 is about 1091.3931651441.

Adding to 1300001008 its reverse (8001000031), we get a palindrome (9301001039).

The spelling of 1300001008 in words is "one billion, three hundred million, one thousand, eight".