111373 has 2 divisors, whose sum is σ = 111374.
Its totient is φ = 111372.
The previous prime is 111347. The next prime is 111409. The reversal of 111373 is 373111.
Adding to 111373 its reverse (373111), we get a palindrome (484484).
It can be divided in two parts, 11137 and 3, that multiplied together give a triangular number (33411 = T258).
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 110889 + 484 = 333^2 + 22^2
It is a cyclic number.
It is not a de Polignac number, because 111373 - 25 = 111341 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (111323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55686 + 55687.
It is an arithmetic number, because the mean of its divisors is an integer number (55687).
2111373 is an apocalyptic number.
It is an amenable number.
111373 is a deficient number, since it is larger than the sum of its proper divisors (1).
111373 is an equidigital number, since it uses as much as digits as its factorization.
111373 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 63, while the sum is 16.
The square root of 111373 is about 333.7259354620.
The cubic root of 111373 is about 48.1127269541.
The spelling of 111373 in words is "one hundred eleven thousand, three hundred seventy-three", and thus it is an iban number.