1123247047 has 8 divisors (see below), whose sum is σ = 1212304016. Its totient is φ = 1034569152.

The previous prime is 1123247023. The next prime is 1123247057. The reversal of 1123247047 is 7407423211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123247047 - 2¹¹ = 1123244999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123247057) 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 in 7 ways as a sum of consecutive naturals, for example, 88593 + ... + 100474.

It is an arithmetic number, because the mean of its divisors is an integer number (151538002).

Almost surely, 2^1123247047 is an apocalyptic number.

1123247047 is a deficient number, since it is larger than the sum of its proper divisors (89056969).

1123247047 is a wasteful number, since it uses less digits than its factorization.

1123247047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189537.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 1123247047 is about 33514.8779947056. The cubic root of 1123247047 is about 1039.5014397218.

The spelling of 1123247047 in words is "one billion, one hundred twenty-three million, two hundred forty-seven thousand, forty-seven".