127089947 has 2 divisors, whose sum is σ = 127089948. Its totient is φ = 127089946.

The previous prime is 127089889. The next prime is 127089961. The reversal of 127089947 is 749980721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127089947 - 2²⁴ = 110312731 is a prime.

It is not a weakly prime, because it can be changed into another prime (127089247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63544973 + 63544974.

It is an arithmetic number, because the mean of its divisors is an integer number (63544974).

Almost surely, 2^127089947 is an apocalyptic number.

127089947 is a deficient number, since it is larger than the sum of its proper divisors (1).

127089947 is an equidigital number, since it uses as much as digits as its factorization.

127089947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 127089947 is about 11273.4177160256. The cubic root of 127089947 is about 502.7712084320.

The spelling of 127089947 in words is "one hundred twenty-seven million, eighty-nine thousand, nine hundred forty-seven".