1040007 has 4 divisors (see below), whose sum is σ = 1386680. Its totient is φ = 693336.

The previous prime is 1039999. The next prime is 1040021. The reversal of 1040007 is 7000401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000401 = 3 ⋅2333467.

It is not a de Polignac number, because 1040007 - 2³ = 1039999 is a prime.

It is a super-2 number, since 2×1040007² = 2163229120098, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1039974 and 1040001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040057) 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, 173332 + ... + 173337.

It is an arithmetic number, because the mean of its divisors is an integer number (346670).

2^1040007 is an apocalyptic number.

1040007 is a deficient number, since it is larger than the sum of its proper divisors (346673).

1040007 is an equidigital number, since it uses as much as digits as its factorization.

1040007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346672.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 1040007 is about 1019.8073347451. The cubic root of 1040007 is about 101.3161676929.

Adding to 1040007 its reverse (7000401), we get a palindrome (8040408).

The spelling of 1040007 in words is "one million, forty thousand, seven".