1123247753 has 4 divisors (see below), whose sum is σ = 1123328640. Its totient is φ = 1123166868.

The previous prime is 1123247737. The next prime is 1123247759. The reversal of 1123247753 is 3577423211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1123247753 - 2⁴ = 1123247737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123247759) 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, 13733 + ... + 49346.

It is an arithmetic number, because the mean of its divisors is an integer number (280832160).

Almost surely, 2^1123247753 is an apocalyptic number.

It is an amenable number.

1123247753 is a deficient number, since it is larger than the sum of its proper divisors (80887).

1123247753 is an equidigital number, since it uses as much as digits as its factorization.

1123247753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80886.

The product of its digits is 35280, while the sum is 35.

The square root of 1123247753 is about 33514.8885273396. Note that the first 3 decimals coincide. The cubic root of 1123247753 is about 1039.5016575094.

It can be divided in two parts, 11232 and 47753, that added together give a palindrome (58985).

The spelling of 1123247753 in words is "one billion, one hundred twenty-three million, two hundred forty-seven thousand, seven hundred fifty-three".