127841369 has 2 divisors, whose sum is σ = 127841370. Its totient is φ = 127841368.

The previous prime is 127841359. The next prime is 127841449. The reversal of 127841369 is 963148721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73273600 + 54567769 = 8560^2 + 7387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127841369 is a prime.

It is a super-2 number, since 2×127841369² = 32686831255588322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127841359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63920684 + 63920685.

It is an arithmetic number, because the mean of its divisors is an integer number (63920685).

Almost surely, 2^127841369 is an apocalyptic number.

It is an amenable number.

127841369 is a deficient number, since it is larger than the sum of its proper divisors (1).

127841369 is an equidigital number, since it uses as much as digits as its factorization.

127841369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 127841369 is about 11306.6957595931. The cubic root of 127841369 is about 503.7601437533.

The spelling of 127841369 in words is "one hundred twenty-seven million, eight hundred forty-one thousand, three hundred sixty-nine".