127372213 has 2 divisors, whose sum is σ = 127372214. Its totient is φ = 127372212.

The previous prime is 127372207. The next prime is 127372243. The reversal of 127372213 is 312273721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127193284 + 178929 = 11278^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 127372213 - 2¹³ = 127364021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127372243) 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, 63686106 + 63686107.

It is an arithmetic number, because the mean of its divisors is an integer number (63686107).

Almost surely, 2^127372213 is an apocalyptic number.

It is an amenable number.

127372213 is a deficient number, since it is larger than the sum of its proper divisors (1).

127372213 is an equidigital number, since it uses as much as digits as its factorization.

127372213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 127372213 is about 11285.9298686462. The cubic root of 127372213 is about 503.1431504736.

The spelling of 127372213 in words is "one hundred twenty-seven million, three hundred seventy-two thousand, two hundred thirteen".