1004123211 has 16 divisors (see below), whose sum is σ = 1647792384. Its totient is φ = 529647264.

The previous prime is 1004123209. The next prime is 1004123227. The reversal of 1004123211 is 1123214001.

It is not a de Polignac number, because 1004123211 - 2¹ = 1004123209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004123261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1838781 + ... + 1839326.

It is an arithmetic number, because the mean of its divisors is an integer number (102987024).

Almost surely, 2^1004123211 is an apocalyptic number.

1004123211 is a deficient number, since it is larger than the sum of its proper divisors (643669173).

1004123211 is a wasteful number, since it uses less digits than its factorization.

1004123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678130.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1004123211 is about 31687.9032282037. The cubic root of 1004123211 is about 1001.3725189964.

Adding to 1004123211 its reverse (1123214001), we get a palindrome (2127337212).

The spelling of 1004123211 in words is "one billion, four million, one hundred twenty-three thousand, two hundred eleven".