1120403424 has 72 divisors (see below), whose sum is σ = 3421246248. Its totient is φ = 320113920.

The previous prime is 1120403363. The next prime is 1120403441. The reversal of 1120403424 is 4243040211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1120403424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114387 + ... + 123794.

It is an arithmetic number, because the mean of its divisors is an integer number (47517309).

Almost surely, 2^1120403424 is an apocalyptic number.

1120403424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1120403424 is an abundant number, since it is smaller than the sum of its proper divisors (2300842824).

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

1120403424 is a wasteful number, since it uses less digits than its factorization.

1120403424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238208 (or 238193 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1120403424 is about 33472.4278175336. The cubic root of 1120403424 is about 1038.6234944939.

Adding to 1120403424 its reverse (4243040211), we get a palindrome (5363443635).

The spelling of 1120403424 in words is "one billion, one hundred twenty million, four hundred three thousand, four hundred twenty-four".