1121018144 has 12 divisors (see below), whose sum is σ = 2207004534. Its totient is φ = 560509056.

The previous prime is 1121018083. The next prime is 1121018177. The reversal of 1121018144 is 4418101211.

It can be written as a sum of positive squares in only one way, i.e., 594774544 + 526243600 = 24388^2 + 22940^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17515877 + ... + 17515940.

Almost surely, 2^1121018144 is an apocalyptic number.

It is an amenable number.

1121018144 is a deficient number, since it is larger than the sum of its proper divisors (1085986390).

1121018144 is an equidigital number, since it uses as much as digits as its factorization.

1121018144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35031827 (or 35031819 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1121018144 is about 33481.6090413827. The cubic root of 1121018144 is about 1038.8134099863.

Adding to 1121018144 its reverse (4418101211), we get a palindrome (5539119355).

The spelling of 1121018144 in words is "one billion, one hundred twenty-one million, eighteen thousand, one hundred forty-four".