1345126464125 has 16 divisors (see below), whose sum is σ = 1777465937520. Its totient is φ = 1012801100800.

The previous prime is 1345126464119. The next prime is 1345126464127. The reversal of 1345126464125 is 5214646215431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 623384465209 + 721741998916 = 789547^2 + 849554^2 .

It is not a de Polignac number, because 1345126464125 - 2⁸ = 1345126463869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345126464127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316498220 + ... + 316502469.

It is an arithmetic number, because the mean of its divisors is an integer number (111091621095).

Almost surely, 2^{1345126464125} is an apocalyptic number.

It is an amenable number.

1345126464125 is a deficient number, since it is larger than the sum of its proper divisors (432339473395).

1345126464125 is an equidigital number, since it uses as much as digits as its factorization.

1345126464125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633000721 (or 633000711 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The spelling of 1345126464125 in words is "one trillion, three hundred forty-five billion, one hundred twenty-six million, four hundred sixty-four thousand, one hundred twenty-five".