1040410021 has 8 divisors (see below), whose sum is σ = 1189691840. Its totient is φ = 891291168.

The previous prime is 1040409967. The next prime is 1040410027. The reversal of 1040410021 is 1200140401.

1040410021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1040410021 - 2⁷ = 1040409893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040409983 and 1040410010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040410027) 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, 26736 + ... + 52873.

It is an arithmetic number, because the mean of its divisors is an integer number (148711480).

Almost surely, 2^1040410021 is an apocalyptic number.

It is an amenable number.

1040410021 is a deficient number, since it is larger than the sum of its proper divisors (149281819).

1040410021 is an equidigital number, since it uses as much as digits as its factorization.

1040410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81483.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1040410021 is about 32255.3874724828. The cubic root of 1040410021 is about 1013.2925326827.

Adding to 1040410021 its reverse (1200140401), we get a palindrome (2240550422).

The spelling of 1040410021 in words is "one billion, forty million, four hundred ten thousand, twenty-one".