1231441404 has 48 divisors (see below), whose sum is σ = 2933728896. Its totient is φ = 401918400.

The previous prime is 1231441399. The next prime is 1231441417. The reversal of 1231441404 is 4041441321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162459 + ... + 169869.

It is an arithmetic number, because the mean of its divisors is an integer number (61119352).

Almost surely, 2^1231441404 is an apocalyptic number.

It is an amenable number.

1231441404 is an abundant number, since it is smaller than the sum of its proper divisors (1702287492).

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

1231441404 is a wasteful number, since it uses less digits than its factorization.

1231441404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706 (or 7704 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1231441404 is about 35091.8994071281. The cubic root of 1231441404 is about 1071.8596374013.

Adding to 1231441404 its reverse (4041441321), we get a palindrome (5272882725).

The spelling of 1231441404 in words is "one billion, two hundred thirty-one million, four hundred forty-one thousand, four hundred four".