1300001275 has 24 divisors (see below), whose sum is σ = 1681253504. Its totient is φ = 996019200.

The previous prime is 1300001251. The next prime is 1300001293. The reversal of 1300001275 is 5721000031.

It is not a de Polignac number, because 1300001275 - 2¹⁵ = 1299968507 is a prime.

It is a super-4 number, since 4×1300001275⁴ (a number of 38 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66529 + ... + 83821.

Almost surely, 2^1300001275 is an apocalyptic number.

1300001275 is a deficient number, since it is larger than the sum of its proper divisors (381252229).

1300001275 is a wasteful number, since it uses less digits than its factorization.

1300001275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431 (or 17426 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1300001275 is about 36055.5304357043. The cubic root of 1300001275 is about 1091.3932398625.

The spelling of 1300001275 in words is "one billion, three hundred million, one thousand, two hundred seventy-five".