127050013 has 4 divisors (see below), whose sum is σ = 127619968. Its totient is φ = 126480060.

The previous prime is 127049947. The next prime is 127050019. The reversal of 127050013 is 310050721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310050721 = 19 ⋅16318459.

It is a cyclic number.

It is not a de Polignac number, because 127050013 - 2²⁵ = 93495581 is a prime.

It is a super-2 number, since 2×127050013² = 32283411606600338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127050019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284643 + ... + 285088.

It is an arithmetic number, because the mean of its divisors is an integer number (31904992).

Almost surely, 2^127050013 is an apocalyptic number.

It is an amenable number.

127050013 is a deficient number, since it is larger than the sum of its proper divisors (569955).

127050013 is an equidigital number, since it uses as much as digits as its factorization.

127050013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569954.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 127050013 is about 11271.6464192238. The cubic root of 127050013 is about 502.7185429269.

The spelling of 127050013 in words is "one hundred twenty-seven million, fifty thousand, thirteen".