1120303453 has 4 divisors (see below), whose sum is σ = 1141441308. Its totient is φ = 1099165600.

The previous prime is 1120303447. The next prime is 1120303463. The reversal of 1120303453 is 3543030211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 969824164 + 150479289 = 31142^2 + 12267^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120303453 - 2¹³ = 1120295261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120303423) 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, 10568848 + ... + 10568953.

It is an arithmetic number, because the mean of its divisors is an integer number (285360327).

Almost surely, 2^1120303453 is an apocalyptic number.

It is an amenable number.

1120303453 is a deficient number, since it is larger than the sum of its proper divisors (21137855).

1120303453 is an equidigital number, since it uses as much as digits as its factorization.

1120303453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21137854.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1120303453 is about 33470.9344506543. The cubic root of 1120303453 is about 1038.5926022529.

Adding to 1120303453 its reverse (3543030211), we get a palindrome (4663333664).

The spelling of 1120303453 in words is "one billion, one hundred twenty million, three hundred three thousand, four hundred fifty-three".