1155132203 has 2 divisors, whose sum is σ = 1155132204. Its totient is φ = 1155132202.

The previous prime is 1155132131. The next prime is 1155132221. The reversal of 1155132203 is 3022315511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155132203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155131203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577566101 + 577566102.

It is an arithmetic number, because the mean of its divisors is an integer number (577566102).

Almost surely, 2^1155132203 is an apocalyptic number.

1155132203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155132203 is an equidigital number, since it uses as much as digits as its factorization.

1155132203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1155132203 is about 33987.2358834901. The cubic root of 1155132203 is about 1049.2457782464.

Adding to 1155132203 its reverse (3022315511), we get a palindrome (4177447714).

The spelling of 1155132203 in words is "one billion, one hundred fifty-five million, one hundred thirty-two thousand, two hundred three".