1130043554 has 4 divisors (see below), whose sum is σ = 1695065334. Its totient is φ = 565021776.

The previous prime is 1130043553. The next prime is 1130043559. The reversal of 1130043554 is 4553400311.

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

It can be written as a sum of positive squares in only one way, i.e., 1120575625 + 9467929 = 33475^2 + 3077^2 .

It is not an unprimeable number, because it can be changed into a prime (1130043553) 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 as a sum of consecutive naturals, namely, 282510887 + ... + 282510890.

Almost surely, 2^1130043554 is an apocalyptic number.

1130043554 is a deficient number, since it is larger than the sum of its proper divisors (565021780).

1130043554 is an equidigital number, since it uses as much as digits as its factorization.

1130043554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565021779.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1130043554 is about 33616.1204483801. The cubic root of 1130043554 is about 1041.5938191389.

Adding to 1130043554 its reverse (4553400311), we get a palindrome (5683443865).

The spelling of 1130043554 in words is "one billion, one hundred thirty million, forty-three thousand, five hundred fifty-four".