127047131 has 4 divisors (see below), whose sum is σ = 127110264. Its totient is φ = 126984000.

The previous prime is 127047121. The next prime is 127047197. The reversal of 127047131 is 131740721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131740721 = 7 ⋅18820103.

It is a cyclic number.

It is not a de Polignac number, because 127047131 - 2¹⁰ = 127046107 is a prime.

It is a super-2 number, since 2×127047131² = 32281946990662322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127047131.

It is not an unprimeable number, because it can be changed into a prime (127047121) 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, 28445 + ... + 32606.

It is an arithmetic number, because the mean of its divisors is an integer number (31777566).

Almost surely, 2^127047131 is an apocalyptic number.

127047131 is a deficient number, since it is larger than the sum of its proper divisors (63133).

127047131 is an equidigital number, since it uses as much as digits as its factorization.

127047131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63132.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 127047131 is about 11271.5185755957. The cubic root of 127047131 is about 502.7147416790.

Adding to 127047131 its reverse (131740721), we get a palindrome (258787852).

The spelling of 127047131 in words is "one hundred twenty-seven million, forty-seven thousand, one hundred thirty-one".