1267270130405 has 8 divisors (see below), whose sum is σ = 1561824809592. Its totient is φ = 986415668928.

The previous prime is 1267270130387. The next prime is 1267270130407. The reversal of 1267270130405 is 5040310727621.

It can be written as a sum of positive squares in 4 ways, for example, as 366652048324 + 900618082081 = 605518^2 + 949009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1267270130405 - 2³⁰ = 1266196388581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267270130407) 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 7 ways as a sum of consecutive naturals, for example, 3425054222 + ... + 3425054591.

It is an arithmetic number, because the mean of its divisors is an integer number (195228101199).

Almost surely, 2^{1267270130405} is an apocalyptic number.

It is an amenable number.

1267270130405 is a deficient number, since it is larger than the sum of its proper divisors (294554679187).

1267270130405 is an equidigital number, since it uses as much as digits as its factorization.

1267270130405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850108855.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 1267270130405 in words is "one trillion, two hundred sixty-seven billion, two hundred seventy million, one hundred thirty thousand, four hundred five".