127620371 has 2 divisors, whose sum is σ = 127620372. Its totient is φ = 127620370.

The previous prime is 127620349. The next prime is 127620379. The reversal of 127620371 is 173026721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127620371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127620379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63810185 + 63810186.

It is an arithmetic number, because the mean of its divisors is an integer number (63810186).

Almost surely, 2^127620371 is an apocalyptic number.

127620371 is a deficient number, since it is larger than the sum of its proper divisors (1).

127620371 is an equidigital number, since it uses as much as digits as its factorization.

127620371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 127620371 is about 11296.9186506764. The cubic root of 127620371 is about 503.4696947423.

The spelling of 127620371 in words is "one hundred twenty-seven million, six hundred twenty thousand, three hundred seventy-one".