127531849 has 9 divisors (see below), whose sum is σ = 133589869. Its totient is φ = 121738540.

The previous prime is 127531837. The next prime is 127531867. The reversal of 127531849 is 948135721.

The square root of 127531849 is 11293.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 127531849 - 2⁹ = 127531337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127531889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 259494 + ... + 259984.

Almost surely, 2^127531849 is an apocalyptic number.

127531849 is the 11293-rd square number.

127531849 is the 5647-th centered octagonal number.

It is an amenable number.

127531849 is a deficient number, since it is larger than the sum of its proper divisors (6058020).

127531849 is an frugal number, since it uses more digits than its factorization.

127531849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 514 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The cubic root of 127531849 is about 503.3532596919.

It can be divided in two parts, 1275 and 31849, that added together give a square (33124 = 182²).

The spelling of 127531849 in words is "one hundred twenty-seven million, five hundred thirty-one thousand, eight hundred forty-nine".