1003112345 has 8 divisors (see below), whose sum is σ = 1220224776. Its totient is φ = 791496576.

The previous prime is 1003112333. The next prime is 1003112347. The reversal of 1003112345 is 5432113001.

It can be written as a sum of positive squares in 4 ways, for example, as 278856601 + 724255744 = 16699^2 + 26912^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1003112345 - 2⁶ = 1003112281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003112347) 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 in 7 ways as a sum of consecutive naturals, for example, 1373762 + ... + 1374491.

It is an arithmetic number, because the mean of its divisors is an integer number (152528097).

Almost surely, 2^1003112345 is an apocalyptic number.

It is an amenable number.

1003112345 is a deficient number, since it is larger than the sum of its proper divisors (217112431).

1003112345 is an equidigital number, since it uses as much as digits as its factorization.

1003112345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748331.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1003112345 is about 31671.9488664654. The cubic root of 1003112345 is about 1001.0363738914.

Adding to 1003112345 its reverse (5432113001), we get a palindrome (6435225346).

The spelling of 1003112345 in words is "one billion, three million, one hundred twelve thousand, three hundred forty-five".