127968007 has 2 divisors, whose sum is σ = 127968008. Its totient is φ = 127968006.

The previous prime is 127967971. The next prime is 127968013. The reversal of 127968007 is 700869721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127968007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127968037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63984003 + 63984004.

It is an arithmetic number, because the mean of its divisors is an integer number (63984004).

Almost surely, 2^127968007 is an apocalyptic number.

127968007 is a deficient number, since it is larger than the sum of its proper divisors (1).

127968007 is an equidigital number, since it uses as much as digits as its factorization.

127968007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 127968007 is about 11312.2945064209. The cubic root of 127968007 is about 503.9264282778.

The spelling of 127968007 in words is "one hundred twenty-seven million, nine hundred sixty-eight thousand, seven".