1003007 has 4 divisors (see below), whose sum is σ = 1046640. Its totient is φ = 959376.

The previous prime is 1003003. The next prime is 1003019. The reversal of 1003007 is 7003001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7003001 = 19 ⋅368579.

It is not a de Polignac number, because 1003007 - 2² = 1003003 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 (1003001) 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, 21782 + ... + 21827.

It is an arithmetic number, because the mean of its divisors is an integer number (261660).

2^1003007 is an apocalyptic number.

1003007 is a deficient number, since it is larger than the sum of its proper divisors (43633).

1003007 is an equidigital number, since it uses as much as digits as its factorization.

1003007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43632.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 1003007 is about 1001.5023714400. The cubic root of 1003007 is about 100.1001330336.

Adding to 1003007 its reverse (7003001), we get a palindrome (8006008).

It can be divided in two parts, 100 and 3007, that multiplied together give a triangular number (300700 = T₇₇₅).

The spelling of 1003007 in words is "one million, three thousand, seven".