1003145087 has 4 divisors (see below), whose sum is σ = 1146451536. Its totient is φ = 859838640.

The previous prime is 1003145083. The next prime is 1003145093. The reversal of 1003145087 is 7805413001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7805413001 = 311 ⋅25097791.

It is a cyclic number.

It is not a de Polignac number, because 1003145087 - 2² = 1003145083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003145083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71653214 + ... + 71653227.

It is an arithmetic number, because the mean of its divisors is an integer number (286612884).

Almost surely, 2^1003145087 is an apocalyptic number.

1003145087 is a deficient number, since it is larger than the sum of its proper divisors (143306449).

1003145087 is an equidigital number, since it uses as much as digits as its factorization.

1003145087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143306448.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1003145087 is about 31672.4657549740. The cubic root of 1003145087 is about 1001.0472651861.

Adding to 1003145087 its reverse (7805413001), we get a palindrome (8808558088).

The spelling of 1003145087 in words is "one billion, three million, one hundred forty-five thousand, eighty-seven".