1040403211 has 4 divisors (see below), whose sum is σ = 1043024272. Its totient is φ = 1037782152.

The previous prime is 1040403209. The next prime is 1040403223. The reversal of 1040403211 is 1123040401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040403211 - 2¹ = 1040403209 is a prime.

It is a super-2 number, since 2×1040403211² = 2164877682918221042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040403271) 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, 1309935 + ... + 1310728.

It is an arithmetic number, because the mean of its divisors is an integer number (260756068).

Almost surely, 2^1040403211 is an apocalyptic number.

1040403211 is a deficient number, since it is larger than the sum of its proper divisors (2621061).

1040403211 is an equidigital number, since it uses as much as digits as its factorization.

1040403211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621060.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1040403211 is about 32255.2819085495. The cubic root of 1040403211 is about 1013.2903218437.

Adding to 1040403211 its reverse (1123040401), we get a palindrome (2163443612).

The spelling of 1040403211 in words is "one billion, forty million, four hundred three thousand, two hundred eleven".