1123717047 has 16 divisors (see below), whose sum is σ = 1588426752. Its totient is φ = 705382560.

The previous prime is 1123717037. The next prime is 1123717069. The reversal of 1123717047 is 7407173211.

It is not a de Polignac number, because 1123717047 - 2¹² = 1123712951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123716999 and 1123717017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123717037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159843 + ... + 166724.

It is an arithmetic number, because the mean of its divisors is an integer number (99276672).

Almost surely, 2^1123717047 is an apocalyptic number.

1123717047 is a deficient number, since it is larger than the sum of its proper divisors (464709705).

1123717047 is a wasteful number, since it uses less digits than its factorization.

1123717047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326638.

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 1123717047 is about 33521.8890726641. The cubic root of 1123717047 is about 1039.6464056194.

The spelling of 1123717047 in words is "one billion, one hundred twenty-three million, seven hundred seventeen thousand, forty-seven".