127918093 has 2 divisors, whose sum is σ = 127918094. Its totient is φ = 127918092.

The previous prime is 127918079. The next prime is 127918169. The reversal of 127918093 is 390819721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111894084 + 16024009 = 10578^2 + 4003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127918093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127918003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63959046 + 63959047.

It is an arithmetic number, because the mean of its divisors is an integer number (63959047).

Almost surely, 2^127918093 is an apocalyptic number.

It is an amenable number.

127918093 is a deficient number, since it is larger than the sum of its proper divisors (1).

127918093 is an equidigital number, since it uses as much as digits as its factorization.

127918093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 127918093 is about 11310.0881075260. The cubic root of 127918093 is about 503.8609008194.

The spelling of 127918093 in words is "one hundred twenty-seven million, nine hundred eighteen thousand, ninety-three".