1101442988 has 12 divisors (see below), whose sum is σ = 2040909192. Its totient is φ = 518326080.

The previous prime is 1101442987. The next prime is 1101443009. The reversal of 1101442988 is 8892441011.

It is not an unprimeable number, because it can be changed into a prime (1101442987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8098778 + ... + 8098913.

It is an arithmetic number, because the mean of its divisors is an integer number (170075766).

Almost surely, 2^1101442988 is an apocalyptic number.

It is an amenable number.

1101442988 is a deficient number, since it is larger than the sum of its proper divisors (939466204).

1101442988 is a wasteful number, since it uses less digits than its factorization.

1101442988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16197712 (or 16197710 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1101442988 is about 33187.9946366152. The cubic root of 1101442988 is about 1032.7313024114.

Adding to 1101442988 its reverse (8892441011), we get a palindrome (9993883999).

The spelling of 1101442988 in words is "one billion, one hundred one million, four hundred forty-two thousand, nine hundred eighty-eight".