1113400424 has 8 divisors (see below), whose sum is σ = 2087625810. Its totient is φ = 556700208.

The previous prime is 1113400373. The next prime is 1113400459. The reversal of 1113400424 is 4240043111.

It can be written as a sum of positive squares in only one way, i.e., 1049112100 + 64288324 = 32390^2 + 8018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1113400396 and 1113400405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69587519 + ... + 69587534.

Almost surely, 2^1113400424 is an apocalyptic number.

It is an amenable number.

1113400424 is a deficient number, since it is larger than the sum of its proper divisors (974225386).

1113400424 is a wasteful number, since it uses less digits than its factorization.

1113400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139175059 (or 139175055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1113400424 is about 33367.6553566474. The cubic root of 1113400424 is about 1036.4550234064.

Adding to 1113400424 its reverse (4240043111), we get a palindrome (5353443535).

The spelling of 1113400424 in words is "one billion, one hundred thirteen million, four hundred thousand, four hundred twenty-four".