1120545453 has 8 divisors (see below), whose sum is σ = 1516360288. Its totient is φ = 735880464.

The previous prime is 1120545389. The next prime is 1120545467. The reversal of 1120545453 is 3545450211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120545453 - 2⁶ = 1120545389 is a prime.

It is a super-2 number, since 2×1120545453² = 2511244224477950418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120545453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120545493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787226 + ... + 2787627.

It is an arithmetic number, because the mean of its divisors is an integer number (189545036).

Almost surely, 2^1120545453 is an apocalyptic number.

It is an amenable number.

1120545453 is a deficient number, since it is larger than the sum of its proper divisors (395814835).

1120545453 is an equidigital number, since it uses as much as digits as its factorization.

1120545453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574923.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1120545453 is about 33474.5493322912. The cubic root of 1120545453 is about 1038.6673800029.

Adding to 1120545453 its reverse (3545450211), we get a palindrome (4665995664).

The spelling of 1120545453 in words is "one billion, one hundred twenty million, five hundred forty-five thousand, four hundred fifty-three".