127372243 has 2 divisors, whose sum is σ = 127372244. Its totient is φ = 127372242.

The previous prime is 127372213. The next prime is 127372247. The reversal of 127372243 is 342273721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127372243 - 2⁹ = 127371731 is a prime.

It is not a weakly prime, because it can be changed into another prime (127372247) 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, 63686121 + 63686122.

It is an arithmetic number, because the mean of its divisors is an integer number (63686122).

Almost surely, 2^127372243 is an apocalyptic number.

127372243 is a deficient number, since it is larger than the sum of its proper divisors (1).

127372243 is an equidigital number, since it uses as much as digits as its factorization.

127372243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 127372243 is about 11285.9311977346. The cubic root of 127372243 is about 503.1431899754.

The spelling of 127372243 in words is "one hundred twenty-seven million, three hundred seventy-two thousand, two hundred forty-three".