1101120144 has 20 divisors (see below), whose sum is σ = 2844560496. Its totient is φ = 367040032.

The previous prime is 1101120131. The next prime is 1101120187. The reversal of 1101120144 is 4410211011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11469954 + ... + 11470049.

Almost surely, 2^1101120144 is an apocalyptic number.

It is an amenable number.

1101120144 is an abundant number, since it is smaller than the sum of its proper divisors (1743440352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101120144 is a wasteful number, since it uses less digits than its factorization.

1101120144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22940014 (or 22940008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1101120144 is about 33183.1304129071. The cubic root of 1101120144 is about 1032.6303912464.

Adding to 1101120144 its reverse (4410211011), we get a palindrome (5511331155).

The spelling of 1101120144 in words is "one billion, one hundred one million, one hundred twenty thousand, one hundred forty-four".