1276057434131 has 16 divisors (see below), whose sum is σ = 1319346662400. Its totient is φ = 1233472540608.

The previous prime is 1276057434031. The next prime is 1276057434163. The reversal of 1276057434131 is 1314347506721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1276057434131 is a prime.

It is a super-2 number, since 2×1276057434131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276057434031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520850 + ... + 3866328.

It is an arithmetic number, because the mean of its divisors is an integer number (82459166400).

Almost surely, 2^{1276057434131} is an apocalyptic number.

1276057434131 is a deficient number, since it is larger than the sum of its proper divisors (43289228269).

1276057434131 is an equidigital number, since it uses as much as digits as its factorization.

1276057434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346498.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 1276057434131 in words is "one trillion, two hundred seventy-six billion, fifty-seven million, four hundred thirty-four thousand, one hundred thirty-one".