127551223 has 2 divisors, whose sum is σ = 127551224. Its totient is φ = 127551222.

The previous prime is 127551211. The next prime is 127551241. The reversal of 127551223 is 322155721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127551223 - 2²¹ = 125454071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127551191 and 127551200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127551253) 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, 63775611 + 63775612.

It is an arithmetic number, because the mean of its divisors is an integer number (63775612).

Almost surely, 2^127551223 is an apocalyptic number.

127551223 is a deficient number, since it is larger than the sum of its proper divisors (1).

127551223 is an equidigital number, since it uses as much as digits as its factorization.

127551223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 127551223 is about 11293.8577554350. The cubic root of 127551223 is about 503.3787473703.

The spelling of 127551223 in words is "one hundred twenty-seven million, five hundred fifty-one thousand, two hundred twenty-three".