1012000003 has 8 divisors (see below), whose sum is σ = 1163258208. Its totient is φ = 862413504.

The previous prime is 1011999971. The next prime is 1012000009. The reversal of 1012000003 is 3000002101.

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 1012000003 - 2⁵ = 1011999971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a self number, because there is not a number n which added to its sum of digits gives 1012000003.

It is not an unprimeable number, because it can be changed into a prime (1012000009) 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, 416626 + ... + 419047.

It is an arithmetic number, because the mean of its divisors is an integer number (145407276).

Almost surely, 2^1012000003 is an apocalyptic number.

1012000003 is a deficient number, since it is larger than the sum of its proper divisors (151258205).

1012000003 is an equidigital number, since it uses as much as digits as its factorization.

1012000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835853.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1012000003 is about 31811.9474883258. The cubic root of 1012000003 is about 1003.9841068129.

Adding to 1012000003 its reverse (3000002101), we get a palindrome (4012002104).

The spelling of 1012000003 in words is "one billion, twelve million, three", and thus it is an aban number and an uban number.