1001122404 has 24 divisors (see below), whose sum is σ = 2336611200. Its totient is φ = 333613344.

The previous prime is 1001122399. The next prime is 1001122411. The reversal of 1001122404 is 4042211001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42597 + ... + 61779.

It is an arithmetic number, because the mean of its divisors is an integer number (97358800).

Almost surely, 2^1001122404 is an apocalyptic number.

It is an amenable number.

1001122404 is an abundant number, since it is smaller than the sum of its proper divisors (1335488796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001122404 is a wasteful number, since it uses less digits than its factorization.

1001122404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23539 (or 23537 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1001122404 is about 31640.5183901908. The cubic root of 1001122404 is about 1000.3739947771.

Adding to 1001122404 its reverse (4042211001), we get a palindrome (5043333405).

The spelling of 1001122404 in words is "one billion, one million, one hundred twenty-two thousand, four hundred four".