118727387 has 2 divisors, whose sum is σ = 118727388. Its totient is φ = 118727386.

The previous prime is 118727381. The next prime is 118727423. The reversal of 118727387 is 783727811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118727387 is a prime.

It is not a weakly prime, because it can be changed into another prime (118727381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59363693 + 59363694.

It is an arithmetic number, because the mean of its divisors is an integer number (59363694).

Almost surely, 2^118727387 is an apocalyptic number.

118727387 is a deficient number, since it is larger than the sum of its proper divisors (1).

118727387 is an equidigital number, since it uses as much as digits as its factorization.

118727387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 44.

The square root of 118727387 is about 10896.2097538548. The cubic root of 118727387 is about 491.4925847497.

The spelling of 118727387 in words is "one hundred eighteen million, seven hundred twenty-seven thousand, three hundred eighty-seven".