127400131 has 2 divisors, whose sum is σ = 127400132. Its totient is φ = 127400130.

The previous prime is 127400107. The next prime is 127400137. The reversal of 127400131 is 131004721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127400131 - 2⁷ = 127400003 is a prime.

It is a super-2 number, since 2×127400131² = 32461586757634322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127400099 and 127400108.

It is not a weakly prime, because it can be changed into another prime (127400137) 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 as a sum of consecutive naturals, namely, 63700065 + 63700066.

It is an arithmetic number, because the mean of its divisors is an integer number (63700066).

Almost surely, 2^127400131 is an apocalyptic number.

127400131 is a deficient number, since it is larger than the sum of its proper divisors (1).

127400131 is an equidigital number, since it uses as much as digits as its factorization.

127400131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 127400131 is about 11287.1666506701. The cubic root of 127400131 is about 503.1799081620.

Adding to 127400131 its reverse (131004721), we get a palindrome (258404852).

The spelling of 127400131 in words is "one hundred twenty-seven million, four hundred thousand, one hundred thirty-one".