127007987 has 2 divisors, whose sum is σ = 127007988. Its totient is φ = 127007986.

The previous prime is 127007983. The next prime is 127008029. The reversal of 127007987 is 789700721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127007987 - 2² = 127007983 is a prime.

It is a super-2 number, since 2×127007987² = 32262057523584338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127007983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63503993 + 63503994.

It is an arithmetic number, because the mean of its divisors is an integer number (63503994).

Almost surely, 2^127007987 is an apocalyptic number.

127007987 is a deficient number, since it is larger than the sum of its proper divisors (1).

127007987 is an equidigital number, since it uses as much as digits as its factorization.

127007987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 127007987 is about 11269.7820298354. The cubic root of 127007987 is about 502.6631065442.

The spelling of 127007987 in words is "one hundred twenty-seven million, seven thousand, nine hundred eighty-seven".