1157357203 has 4 divisors (see below), whose sum is σ = 1218270760. Its totient is φ = 1096443648.

The previous prime is 1157357183. The next prime is 1157357219. The reversal of 1157357203 is 3027537511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1157357203 - 2¹⁷ = 1157226131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157357273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30456750 + ... + 30456787.

It is an arithmetic number, because the mean of its divisors is an integer number (304567690).

Almost surely, 2^1157357203 is an apocalyptic number.

1157357203 is a deficient number, since it is larger than the sum of its proper divisors (60913557).

1157357203 is an equidigital number, since it uses as much as digits as its factorization.

1157357203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60913556.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 1157357203 is about 34019.9530129011. The cubic root of 1157357203 is about 1049.9190271647.

The spelling of 1157357203 in words is "one billion, one hundred fifty-seven million, three hundred fifty-seven thousand, two hundred three".