1101443242 has 4 divisors (see below), whose sum is σ = 1652164866. Its totient is φ = 550721620.

The previous prime is 1101443227. The next prime is 1101443249. The reversal of 1101443242 is 2423441011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2423441011 = 17483 ⋅138617.

It can be written as a sum of positive squares in only one way, i.e., 761815201 + 339628041 = 27601^2 + 18429^2 .

It is not an unprimeable number, because it can be changed into a prime (1101443249) by changing a digit.

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 as a sum of consecutive naturals, namely, 275360809 + ... + 275360812.

Almost surely, 2^1101443242 is an apocalyptic number.

1101443242 is a deficient number, since it is larger than the sum of its proper divisors (550721624).

1101443242 is an equidigital number, since it uses as much as digits as its factorization.

1101443242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550721623.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1101443242 is about 33187.9984633000. The cubic root of 1101443242 is about 1032.7313817963.

Adding to 1101443242 its reverse (2423441011), we get a palindrome (3524884253).

The spelling of 1101443242 in words is "one billion, one hundred one million, four hundred forty-three thousand, two hundred forty-two".