127920967 has 2 divisors, whose sum is σ = 127920968. Its totient is φ = 127920966.

The previous prime is 127920941. The next prime is 127920997. The reversal of 127920967 is 769029721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127920967 - 2⁷ = 127920839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127920907) 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, 63960483 + 63960484.

It is an arithmetic number, because the mean of its divisors is an integer number (63960484).

Almost surely, 2^127920967 is an apocalyptic number.

127920967 is a deficient number, since it is larger than the sum of its proper divisors (1).

127920967 is an equidigital number, since it uses as much as digits as its factorization.

127920967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 127920967 is about 11310.2151615254. The cubic root of 127920967 is about 503.8646742897.

The spelling of 127920967 in words is "one hundred twenty-seven million, nine hundred twenty thousand, nine hundred sixty-seven".