127131 has 8 divisors (see below), whose sum is σ = 175104. Its totient is φ = 81960.

The previous prime is 127123. The next prime is 127133. The reversal of 127131 is 131721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127131 - 2³ = 127123 is a prime.

It is a super-2 number, since 2×127131² = 32324582322, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 127131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (21888).

2¹²⁷¹³¹ is an apocalyptic number.

127131 is a deficient number, since it is larger than the sum of its proper divisors (47973).

127131 is a wasteful number, since it uses less digits than its factorization.

127131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its digits is 42, while the sum is 15.

The square root of 127131 is about 356.5543436841. The cubic root of 127131 is about 50.2825338190.

Adding to 127131 its reverse (131721), we get a palindrome (258852).

The spelling of 127131 in words is "one hundred twenty-seven thousand, one hundred thirty-one".