127132469 has 2 divisors, whose sum is σ = 127132470. Its totient is φ = 127132468.

The previous prime is 127132463. The next prime is 127132517. The reversal of 127132469 is 964231721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91431844 + 35700625 = 9562^2 + 5975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127132469 is a prime.

It is a super-2 number, since 2×127132469² = 32325329348071922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127132463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63566234 + 63566235.

It is an arithmetic number, because the mean of its divisors is an integer number (63566235).

Almost surely, 2^127132469 is an apocalyptic number.

It is an amenable number.

127132469 is a deficient number, since it is larger than the sum of its proper divisors (1).

127132469 is an equidigital number, since it uses as much as digits as its factorization.

127132469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 127132469 is about 11275.3034992412. The cubic root of 127132469 is about 502.8272749002.

The spelling of 127132469 in words is "one hundred twenty-seven million, one hundred thirty-two thousand, four hundred sixty-nine".