127000669 has 2 divisors, whose sum is σ = 127000670. Its totient is φ = 127000668.

The previous prime is 127000663. The next prime is 127000673. The reversal of 127000669 is 966000721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 5008644 = 11045^2 + 2238^2 .

It is a cyclic number.

It is not a de Polignac number, because 127000669 - 2¹³ = 126992477 is a prime.

It is a super-2 number, since 2×127000669² = 32258339852895122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127000669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127000663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63500334 + 63500335.

It is an arithmetic number, because the mean of its divisors is an integer number (63500335).

Almost surely, 2^127000669 is an apocalyptic number.

It is an amenable number.

127000669 is a deficient number, since it is larger than the sum of its proper divisors (1).

127000669 is an equidigital number, since it uses as much as digits as its factorization.

127000669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 127000669 is about 11269.4573516208. The cubic root of 127000669 is about 502.6534521402.

The spelling of 127000669 in words is "one hundred twenty-seven million, six hundred sixty-nine", and thus it is an aban number.