131028127 has 2 divisors, whose sum is σ = 131028128. Its totient is φ = 131028126.

The previous prime is 131028113. The next prime is 131028173. The reversal of 131028127 is 721820131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131028127 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131028187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65514063 + 65514064.

It is an arithmetic number, because the mean of its divisors is an integer number (65514064).

Almost surely, 2^131028127 is an apocalyptic number.

131028127 is a deficient number, since it is larger than the sum of its proper divisors (1).

131028127 is an equidigital number, since it uses as much as digits as its factorization.

131028127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 131028127 is about 11446.7518100114. The cubic root of 131028127 is about 507.9116538350.

Adding to 131028127 its reverse (721820131), we get a palindrome (852848258).

The spelling of 131028127 in words is "one hundred thirty-one million, twenty-eight thousand, one hundred twenty-seven".