127137707 has 2 divisors, whose sum is σ = 127137708. Its totient is φ = 127137706.

The previous prime is 127137701. The next prime is 127137719. The reversal of 127137707 is 707731721.

It is a weak prime.

It is an emirp because it is prime and its reverse (707731721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127137707 - 2⁴ = 127137691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127137701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63568853 + 63568854.

It is an arithmetic number, because the mean of its divisors is an integer number (63568854).

Almost surely, 2^127137707 is an apocalyptic number.

127137707 is a deficient number, since it is larger than the sum of its proper divisors (1).

127137707 is an equidigital number, since it uses as much as digits as its factorization.

127137707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14406, while the sum is 35.

The square root of 127137707 is about 11275.5357744100. The cubic root of 127137707 is about 502.8341804876.

The spelling of 127137707 in words is "one hundred twenty-seven million, one hundred thirty-seven thousand, seven hundred seven".