127272641 has 2 divisors, whose sum is σ = 127272642. Its totient is φ = 127272640.

The previous prime is 127272599. The next prime is 127272661. The reversal of 127272641 is 146272721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84566416 + 42706225 = 9196^2 + 6535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127272641 is a prime.

It is a super-2 number, since 2×127272641² = 32396650294229762, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 127272598 and 127272607.

It is not a weakly prime, because it can be changed into another prime (127272661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63636320 + 63636321.

It is an arithmetic number, because the mean of its divisors is an integer number (63636321).

Almost surely, 2^127272641 is an apocalyptic number.

It is an amenable number.

127272641 is a deficient number, since it is larger than the sum of its proper divisors (1).

127272641 is an equidigital number, since it uses as much as digits as its factorization.

127272641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 127272641 is about 11281.5176727247. The cubic root of 127272641 is about 503.0120071914.

The spelling of 127272641 in words is "one hundred twenty-seven million, two hundred seventy-two thousand, six hundred forty-one".