1113344421 has 16 divisors (see below), whose sum is σ = 1712092800. Its totient is φ = 630358848.

The previous prime is 1113344359. The next prime is 1113344429. The reversal of 1113344421 is 1244433111.

It is not a de Polignac number, because 1113344421 - 2¹⁷ = 1113213349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113344391 and 1113344400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113344429) 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 15 ways as a sum of consecutive naturals, for example, 240906 + ... + 245483.

It is an arithmetic number, because the mean of its divisors is an integer number (107005800).

Almost surely, 2^1113344421 is an apocalyptic number.

It is an amenable number.

1113344421 is a deficient number, since it is larger than the sum of its proper divisors (598748379).

1113344421 is a wasteful number, since it uses less digits than its factorization.

1113344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486508.

The product of its digits is 1152, while the sum is 24.

The square root of 1113344421 is about 33366.8161651663. The cubic root of 1113344421 is about 1036.4376455422.

Adding to 1113344421 its reverse (1244433111), we get a palindrome (2357777532).

The spelling of 1113344421 in words is "one billion, one hundred thirteen million, three hundred forty-four thousand, four hundred twenty-one".