1331258270127 has 16 divisors (see below), whose sum is σ = 1785127125600. Its totient is φ = 882449164800.

The previous prime is 1331258270063. The next prime is 1331258270159. The reversal of 1331258270127 is 7210728521331.

It is not a de Polignac number, because 1331258270127 - 2⁶ = 1331258270063 is a prime.

It is a super-2 number, since 2×1331258270127² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331258270627) 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, 2966427 + ... + 3385587.

It is an arithmetic number, because the mean of its divisors is an integer number (111570445350).

Almost surely, 2^{1331258270127} is an apocalyptic number.

1331258270127 is a deficient number, since it is larger than the sum of its proper divisors (453868855473).

1331258270127 is a wasteful number, since it uses less digits than its factorization.

1331258270127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425194.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 1331258270127 in words is "one trillion, three hundred thirty-one billion, two hundred fifty-eight million, two hundred seventy thousand, one hundred twenty-seven".