1157434503 has 8 divisors (see below), whose sum is σ = 1543762416. Its totient is φ = 771364800.

The previous prime is 1157434493. The next prime is 1157434519. The reversal of 1157434503 is 3054347511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1157434503 - 2¹⁰ = 1157433479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157434583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53838 + ... + 72203.

It is an arithmetic number, because the mean of its divisors is an integer number (192970302).

Almost surely, 2^1157434503 is an apocalyptic number.

1157434503 is a deficient number, since it is larger than the sum of its proper divisors (386327913).

1157434503 is a wasteful number, since it uses less digits than its factorization.

1157434503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129105.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1157434503 is about 34021.0890919147. The cubic root of 1157434503 is about 1049.9424013756.

The spelling of 1157434503 in words is "one billion, one hundred fifty-seven million, four hundred thirty-four thousand, five hundred three".