111204073 has 2 divisors, whose sum is σ = 111204074. Its totient is φ = 111204072.

The previous prime is 111204043. The next prime is 111204139. The reversal of 111204073 is 370402111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57577744 + 53626329 = 7588^2 + 7323^2 .

It is a cyclic number.

It is not a de Polignac number, because 111204073 - 2²⁵ = 77649641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111204073.

It is not a weakly prime, because it can be changed into another prime (111204043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602036 + 55602037.

It is an arithmetic number, because the mean of its divisors is an integer number (55602037).

Almost surely, 2^111204073 is an apocalyptic number.

It is an amenable number.

111204073 is a deficient number, since it is larger than the sum of its proper divisors (1).

111204073 is an equidigital number, since it uses as much as digits as its factorization.

111204073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 111204073 is about 10545.3341815231. The cubic root of 111204073 is about 480.8838936394.

Adding to 111204073 its reverse (370402111), we get a palindrome (481606184).

The spelling of 111204073 in words is "one hundred eleven million, two hundred four thousand, seventy-three".