1040011 has 4 divisors (see below), whose sum is σ = 1188592. Its totient is φ = 891432.

The previous prime is 1039999. The next prime is 1040021. The reversal of 1040011 is 1100401.

It is a happy number.

1040011 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1100401 = 1049².

It is a cyclic number.

It is not a de Polignac number, because 1040011 - 2⁵ = 1039979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 148573 = 1040011 / (1 + 0 + 4 + 0 + 0 + 1 + 1).

It is a Duffinian number.

1040011 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1039976 and 1040003.

It is not an unprimeable number, because it can be changed into a prime (1040021) 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, 74280 + ... + 74293.

It is an arithmetic number, because the mean of its divisors is an integer number (297148).

2^1040011 is an apocalyptic number.

1040011 is a deficient number, since it is larger than the sum of its proper divisors (148581).

1040011 is an equidigital number, since it uses as much as digits as its factorization.

1040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148580.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1040011 is about 1019.8092958980. The cubic root of 1040011 is about 101.3162975844.

Adding to 1040011 its reverse (1100401), we get a palindrome (2140412).

The spelling of 1040011 in words is "one million, forty thousand, eleven".