111940603 has 2 divisors, whose sum is σ = 111940604. Its totient is φ = 111940602.

The previous prime is 111940589. The next prime is 111940607. The reversal of 111940603 is 306049111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111940603 - 2²⁵ = 78386171 is a prime.

It is not a weakly prime, because it can be changed into another prime (111940607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55970301 + 55970302.

It is an arithmetic number, because the mean of its divisors is an integer number (55970302).

Almost surely, 2^111940603 is an apocalyptic number.

111940603 is a deficient number, since it is larger than the sum of its proper divisors (1).

111940603 is an equidigital number, since it uses as much as digits as its factorization.

111940603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 111940603 is about 10580.1986276251. The cubic root of 111940603 is about 481.9432263267.

Adding to 111940603 its reverse (306049111), we get a palindrome (417989714).

The spelling of 111940603 in words is "one hundred eleven million, nine hundred forty thousand, six hundred three".