1012040003 has 8 divisors (see below), whose sum is σ = 1094452800. Its totient is φ = 930279168.

The previous prime is 1012039991. The next prime is 1012040047. The reversal of 1012040003 is 3000402101.

It is a happy number.

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

It is not a de Polignac number, because 1012040003 - 2⁶ = 1012039939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012040063) 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, 159758 + ... + 165971.

It is an arithmetic number, because the mean of its divisors is an integer number (136806600).

Almost surely, 2^1012040003 is an apocalyptic number.

1012040003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012040003 is a deficient number, since it is larger than the sum of its proper divisors (82412797).

1012040003 is a wasteful number, since it uses less digits than its factorization.

1012040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325981.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1012040003 is about 31812.5761767261. The cubic root of 1012040003 is about 1003.9973343606.

Adding to 1012040003 its reverse (3000402101), we get a palindrome (4012442104).

The spelling of 1012040003 in words is "one billion, twelve million, forty thousand, three".