127953967 has 2 divisors, whose sum is σ = 127953968. Its totient is φ = 127953966.

The previous prime is 127953937. The next prime is 127953977. The reversal of 127953967 is 769359721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127953967 - 2¹¹ = 127951919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127953967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127953937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63976983 + 63976984.

It is an arithmetic number, because the mean of its divisors is an integer number (63976984).

Almost surely, 2^127953967 is an apocalyptic number.

127953967 is a deficient number, since it is larger than the sum of its proper divisors (1).

127953967 is an equidigital number, since it uses as much as digits as its factorization.

127953967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 49.

The square root of 127953967 is about 11311.6739256398. The cubic root of 127953967 is about 503.9079981874.

The spelling of 127953967 in words is "one hundred twenty-seven million, nine hundred fifty-three thousand, nine hundred sixty-seven".