1120144553 has 6 divisors (see below), whose sum is σ = 1231233402. Its totient is φ = 1018313120.

The previous prime is 1120144547. The next prime is 1120144573. The reversal of 1120144553 is 3554410211.

It can be written as a sum of positive squares in only one way, i.e., 828691369 + 291453184 = 28787^2 + 17072^2 .

It is not a de Polignac number, because 1120144553 - 2⁶ = 1120144489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120144513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4628576 + ... + 4628817.

It is an arithmetic number, because the mean of its divisors is an integer number (205205567).

Almost surely, 2^1120144553 is an apocalyptic number.

It is an amenable number.

1120144553 is a deficient number, since it is larger than the sum of its proper divisors (111088849).

1120144553 is an equidigital number, since it uses as much as digits as its factorization.

1120144553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257415 (or 9257404 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1120144553 is about 33468.5606651974. The cubic root of 1120144553 is about 1038.5434964601.

Adding to 1120144553 its reverse (3554410211), we get a palindrome (4674554764).

The spelling of 1120144553 in words is "one billion, one hundred twenty million, one hundred forty-four thousand, five hundred fifty-three".