127793249 has 2 divisors, whose sum is σ = 127793250. Its totient is φ = 127793248.

The previous prime is 127793219. The next prime is 127793257. The reversal of 127793249 is 942397721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 56896849 = 8420^2 + 7543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127793249 is a prime.

It is a super-2 number, since 2×127793249² = 32662228979952002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127793209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63896624 + 63896625.

It is an arithmetic number, because the mean of its divisors is an integer number (63896625).

Almost surely, 2^127793249 is an apocalyptic number.

It is an amenable number.

127793249 is a deficient number, since it is larger than the sum of its proper divisors (1).

127793249 is an equidigital number, since it uses as much as digits as its factorization.

127793249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 127793249 is about 11304.5676166760. The cubic root of 127793249 is about 503.6969300471.

The spelling of 127793249 in words is "one hundred twenty-seven million, seven hundred ninety-three thousand, two hundred forty-nine".