1245179057903 has 16 divisors (see below), whose sum is σ = 1361322765600. Its totient is φ = 1129528540800.

The previous prime is 1245179057893. The next prime is 1245179057923. The reversal of 1245179057903 is 3097509715421.

It is a de Polignac number, because none of the positive numbers 2^k-1245179057903 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245179057923) 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, 11207501 + ... + 11318057.

It is an arithmetic number, because the mean of its divisors is an integer number (85082672850).

Almost surely, 2^{1245179057903} is an apocalyptic number.

1245179057903 is a deficient number, since it is larger than the sum of its proper divisors (116143707697).

1245179057903 is a wasteful number, since it uses less digits than its factorization.

1245179057903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112778.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 1245179057903 in words is "one trillion, two hundred forty-five billion, one hundred seventy-nine million, fifty-seven thousand, nine hundred three".