1275023003387 has 16 divisors (see below), whose sum is σ = 1467933312960. Its totient is φ = 1084805127168.

The previous prime is 1275023003383. The next prime is 1275023003413. The reversal of 1275023003387 is 7833003205721.

It is not a de Polignac number, because 1275023003387 - 2² = 1275023003383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275023003381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12335939 + ... + 12438867.

It is an arithmetic number, because the mean of its divisors is an integer number (91745832060).

Almost surely, 2^{1275023003387} is an apocalyptic number.

1275023003387 is a deficient number, since it is larger than the sum of its proper divisors (192910309573).

1275023003387 is a wasteful number, since it uses less digits than its factorization.

1275023003387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115990.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 1275023003387 in words is "one trillion, two hundred seventy-five billion, twenty-three million, three thousand, three hundred eighty-seven".