1111872404 has 12 divisors (see below), whose sum is σ = 1951995444. Its totient is φ = 554159424.

The previous prime is 1111872401. The next prime is 1111872439. The reversal of 1111872404 is 4042781111.

It can be written as a sum of positive squares in 2 ways, for example, as 428572804 + 683299600 = 20702^2 + 26140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111872401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442787 + ... + 445290.

It is an arithmetic number, because the mean of its divisors is an integer number (162666287).

Almost surely, 2^1111872404 is an apocalyptic number.

It is an amenable number.

1111872404 is a deficient number, since it is larger than the sum of its proper divisors (840123040).

1111872404 is a wasteful number, since it uses less digits than its factorization.

1111872404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888394 (or 888392 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 1111872404 is about 33344.7507712983. The cubic root of 1111872404 is about 1035.9806660475.

The spelling of 1111872404 in words is "one billion, one hundred eleven million, eight hundred seventy-two thousand, four hundred four".