118241947 has 2 divisors, whose sum is σ = 118241948. Its totient is φ = 118241946.

The previous prime is 118241941. The next prime is 118241983. The reversal of 118241947 is 749142811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118241947 - 2⁷ = 118241819 is a prime.

It is not a weakly prime, because it can be changed into another prime (118241941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59120973 + 59120974.

It is an arithmetic number, because the mean of its divisors is an integer number (59120974).

Almost surely, 2^118241947 is an apocalyptic number.

118241947 is a deficient number, since it is larger than the sum of its proper divisors (1).

118241947 is an equidigital number, since it uses as much as digits as its factorization.

118241947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 118241947 is about 10873.9113018270. The cubic root of 118241947 is about 490.8218154041.

The spelling of 118241947 in words is "one hundred eighteen million, two hundred forty-one thousand, nine hundred forty-seven".