127007669 has 2 divisors, whose sum is σ = 127007670. Its totient is φ = 127007668.

The previous prime is 127007659. The next prime is 127007687. The reversal of 127007669 is 966700721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85340644 + 41667025 = 9238^2 + 6455^2 .

It is a cyclic number.

It is not a de Polignac number, because 127007669 - 2⁴ = 127007653 is a prime.

It is a super-2 number, since 2×127007669² = 32261895969627122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127007659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63503834 + 63503835.

It is an arithmetic number, because the mean of its divisors is an integer number (63503835).

Almost surely, 2^127007669 is an apocalyptic number.

It is an amenable number.

127007669 is a deficient number, since it is larger than the sum of its proper divisors (1).

127007669 is an equidigital number, since it uses as much as digits as its factorization.

127007669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 127007669 is about 11269.7679213017. The cubic root of 127007669 is about 502.6626870247.

The spelling of 127007669 in words is "one hundred twenty-seven million, seven thousand, six hundred sixty-nine".