118819573 has 2 divisors, whose sum is σ = 118819574. Its totient is φ = 118819572.

The previous prime is 118819537. The next prime is 118819607. The reversal of 118819573 is 375918811.

Together with previous prime (118819537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108534724 + 10284849 = 10418^2 + 3207^2 .

It is an emirp because it is prime and its reverse (375918811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118819573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118819513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59409786 + 59409787.

It is an arithmetic number, because the mean of its divisors is an integer number (59409787).

Almost surely, 2^118819573 is an apocalyptic number.

It is an amenable number.

118819573 is a deficient number, since it is larger than the sum of its proper divisors (1).

118819573 is an equidigital number, since it uses as much as digits as its factorization.

118819573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 43.

The square root of 118819573 is about 10900.4391195951. The cubic root of 118819573 is about 491.6197584792.

The spelling of 118819573 in words is "one hundred eighteen million, eight hundred nineteen thousand, five hundred seventy-three".