1240111144 has 16 divisors (see below), whose sum is σ = 2336231520. Its totient is φ = 617116080.

The previous prime is 1240111139. The next prime is 1240111153. The reversal of 1240111144 is 4411110421.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 365644 + ... + 369019.

It is an arithmetic number, because the mean of its divisors is an integer number (146014470).

Almost surely, 2^1240111144 is an apocalyptic number.

It is an amenable number.

1240111144 is a deficient number, since it is larger than the sum of its proper divisors (1096120376).

1240111144 is a wasteful number, since it uses less digits than its factorization.

1240111144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734880 (or 734876 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1240111144 is about 35215.2118267092. The cubic root of 1240111144 is about 1074.3691684492.

Adding to 1240111144 its reverse (4411110421), we get a palindrome (5651221565).

The spelling of 1240111144 in words is "one billion, two hundred forty million, one hundred eleven thousand, one hundred forty-four".