1120553403 has 4 divisors (see below), whose sum is σ = 1494071208. Its totient is φ = 747035600.

The previous prime is 1120553389. The next prime is 1120553477. The reversal of 1120553403 is 3043550211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1120553403 - 2⁹ = 1120552891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120553503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186758898 + ... + 186758903.

It is an arithmetic number, because the mean of its divisors is an integer number (373517802).

Almost surely, 2^1120553403 is an apocalyptic number.

1120553403 is a deficient number, since it is larger than the sum of its proper divisors (373517805).

1120553403 is an equidigital number, since it uses as much as digits as its factorization.

1120553403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373517804.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1120553403 is about 33474.6680790116. The cubic root of 1120553403 is about 1038.6698363620.

The spelling of 1120553403 in words is "one billion, one hundred twenty million, five hundred fifty-three thousand, four hundred three".