127871953 has 6 divisors (see below), whose sum is σ = 140553602. Its totient is φ = 116247120.

The previous prime is 127871951. The next prime is 127871999. The reversal of 127871953 is 359178721.

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 1089 = 11308^2 + 33^2 .

It is not a de Polignac number, because 127871953 - 2¹ = 127871951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127871951) 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 5 ways as a sum of consecutive naturals, for example, 528276 + ... + 528517.

Almost surely, 2^127871953 is an apocalyptic number.

It is an amenable number.

127871953 is a deficient number, since it is larger than the sum of its proper divisors (12681649).

127871953 is a wasteful number, since it uses less digits than its factorization.

127871953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056815 (or 1056804 counting only the distinct ones).

The product of its digits is 105840, while the sum is 43.

The square root of 127871953 is about 11308.0481516485. The cubic root of 127871953 is about 503.8003127322.

The spelling of 127871953 in words is "one hundred twenty-seven million, eight hundred seventy-one thousand, nine hundred fifty-three".