1011120554 has 16 divisors (see below), whose sum is σ = 1580445000. Its totient is φ = 484560384.

The previous prime is 1011120553. The next prime is 1011120589. The reversal of 1011120554 is 4550211101.

1011120554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 765352225 + 245768329 = 27665^2 + 15677^2 .

It is not an unprimeable number, because it can be changed into a prime (1011120553) 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, 55679 + ... + 71570.

Almost surely, 2^1011120554 is an apocalyptic number.

1011120554 is a deficient number, since it is larger than the sum of its proper divisors (569324446).

1011120554 is a wasteful number, since it uses less digits than its factorization.

1011120554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127417.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1011120554 is about 31798.1218627767. The cubic root of 1011120554 is about 1003.6931948538.

Adding to 1011120554 its reverse (4550211101), we get a palindrome (5561331655).

The spelling of 1011120554 in words is "one billion, eleven million, one hundred twenty thousand, five hundred fifty-four".