1181203 has 2 divisors, whose sum is σ = 1181204. Its totient is φ = 1181202.

The previous prime is 1181197. The next prime is 1181209. The reversal of 1181203 is 3021811.

It is a balanced prime because it is at equal distance from previous prime (1181197) and next prime (1181209).

It is a cyclic number.

It is not a de Polignac number, because 1181203 - 2⁵ = 1181171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1181209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590601 + 590602.

It is an arithmetic number, because the mean of its divisors is an integer number (590602).

2^1181203 is an apocalyptic number.

1181203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181203 is an equidigital number, since it uses as much as digits as its factorization.

1181203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1181203 is about 1086.8316336949. The cubic root of 1181203 is about 105.7080789601.

The spelling of 1181203 in words is "one million, one hundred eighty-one thousand, two hundred three".