127121063 has 2 divisors, whose sum is σ = 127121064. Its totient is φ = 127121062.

The previous prime is 127121047. The next prime is 127121081. The reversal of 127121063 is 360121721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127121063 - 2⁴ = 127121047 is a prime.

It is a super-3 number, since 3×127121063³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127121003) 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, 63560531 + 63560532.

It is an arithmetic number, because the mean of its divisors is an integer number (63560532).

Almost surely, 2^127121063 is an apocalyptic number.

127121063 is a deficient number, since it is larger than the sum of its proper divisors (1).

127121063 is an equidigital number, since it uses as much as digits as its factorization.

127121063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 127121063 is about 11274.7976921983. The cubic root of 127121063 is about 502.8122369914.

Adding to 127121063 its reverse (360121721), we get a palindrome (487242784).

The spelling of 127121063 in words is "one hundred twenty-seven million, one hundred twenty-one thousand, sixty-three".