1120203544 has 16 divisors (see below), whose sum is σ = 2120013000. Its totient is φ = 554866752.

The previous prime is 1120203541. The next prime is 1120203547. The reversal of 1120203544 is 4453020211.

It is an interprime number because it is at equal distance from previous prime (1120203541) and next prime (1120203547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120203541) 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, 653469 + ... + 655180.

Almost surely, 2^1120203544 is an apocalyptic number.

It is an amenable number.

1120203544 is a deficient number, since it is larger than the sum of its proper divisors (999809456).

1120203544 is a wasteful number, since it uses less digits than its factorization.

1120203544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308762 (or 1308758 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1120203544 is about 33469.4419433608. The cubic root of 1120203544 is about 1038.5617273345.

Adding to 1120203544 its reverse (4453020211), we get a palindrome (5573223755).

The spelling of 1120203544 in words is "one billion, one hundred twenty million, two hundred three thousand, five hundred forty-four".