127013421541 has 4 divisors (see below), whose sum is σ = 127017290412. Its totient is φ = 127009552672.

The previous prime is 127013421511. The next prime is 127013421547. The reversal of 127013421541 is 145124310721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81333336100 + 45680085441 = 285190^2 + 213729^2 .

It is a cyclic number.

It is not a de Polignac number, because 127013421541 - 2²³ = 127005032933 is a prime.

It is a super-2 number, since 2×127013421541² (a number of 23 digits) 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 (127013421547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884766 + ... + 1950991.

It is an arithmetic number, because the mean of its divisors is an integer number (31754322603).

Almost surely, 2^127013421541 is an apocalyptic number.

It is an amenable number.

127013421541 is a deficient number, since it is larger than the sum of its proper divisors (3868871).

127013421541 is an equidigital number, since it uses as much as digits as its factorization.

127013421541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868870.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 127013421541 in words is "one hundred twenty-seven billion, thirteen million, four hundred twenty-one thousand, five hundred forty-one".