1130503438 has 4 divisors (see below), whose sum is σ = 1695755160. Its totient is φ = 565251718.

The previous prime is 1130503427. The next prime is 1130503457. The reversal of 1130503438 is 8343050311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8343050311 = 65699 ⋅126989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282625858 + ... + 282625861.

It is an arithmetic number, because the mean of its divisors is an integer number (423938790).

Almost surely, 2^1130503438 is an apocalyptic number.

1130503438 is a deficient number, since it is larger than the sum of its proper divisors (565251722).

1130503438 is an equidigital number, since it uses as much as digits as its factorization.

1130503438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565251721.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1130503438 is about 33622.9599827261. The cubic root of 1130503438 is about 1041.7350961027.

Adding to 1130503438 its reverse (8343050311), we get a palindrome (9473553749).

The spelling of 1130503438 in words is "one billion, one hundred thirty million, five hundred three thousand, four hundred thirty-eight".