1123449752 has 8 divisors (see below), whose sum is σ = 2106468300. Its totient is φ = 561724872.

The previous prime is 1123449751. The next prime is 1123449773. The reversal of 1123449752 is 2579443211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123449751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70215602 + ... + 70215617.

Almost surely, 2^1123449752 is an apocalyptic number.

It is an amenable number.

1123449752 is a deficient number, since it is larger than the sum of its proper divisors (983018548).

1123449752 is a wasteful number, since it uses less digits than its factorization.

1123449752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140431225 (or 140431221 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 1123449752 is about 33517.9019629809. The cubic root of 1123449752 is about 1039.5639666212.

The spelling of 1123449752 in words is "one billion, one hundred twenty-three million, four hundred forty-nine thousand, seven hundred fifty-two".