1157203 has 2 divisors, whose sum is σ = 1157204. Its totient is φ = 1157202.

The previous prime is 1157201. The next prime is 1157209. The reversal of 1157203 is 3027511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1157203 - 2¹ = 1157201 is a prime.

Together with 1157201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1157201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578601 + 578602.

It is an arithmetic number, because the mean of its divisors is an integer number (578602).

2^1157203 is an apocalyptic number.

1157203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157203 is an equidigital number, since it uses as much as digits as its factorization.

1157203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1157203 is about 1075.7337031069. The cubic root of 1157203 is about 104.9872395680.

The spelling of 1157203 in words is "one million, one hundred fifty-seven thousand, two hundred three".