118393973 has 2 divisors, whose sum is σ = 118393974. Its totient is φ = 118393972.

The previous prime is 118393931. The next prime is 118394021. The reversal of 118393973 is 379393811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107785924 + 10608049 = 10382^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 118393973 - 2¹⁸ = 118131829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118393273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59196986 + 59196987.

It is an arithmetic number, because the mean of its divisors is an integer number (59196987).

Almost surely, 2^118393973 is an apocalyptic number.

It is an amenable number.

118393973 is a deficient number, since it is larger than the sum of its proper divisors (1).

118393973 is an equidigital number, since it uses as much as digits as its factorization.

118393973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 118393973 is about 10880.8994573059. The cubic root of 118393973 is about 491.0320784082.

The spelling of 118393973 in words is "one hundred eighteen million, three hundred ninety-three thousand, nine hundred seventy-three".