1123546667 has 4 divisors (see below), whose sum is σ = 1123621560. Its totient is φ = 1123471776.

The previous prime is 1123546661. The next prime is 1123546673. The reversal of 1123546667 is 7666453211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1123546661) and next prime (1123546673).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123546667 is a prime.

It is a super-2 number, since 2×1123546667² = 2524714225853617778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123546661) 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 3 ways as a sum of consecutive naturals, for example, 6317 + ... + 47822.

It is an arithmetic number, because the mean of its divisors is an integer number (280905390).

Almost surely, 2^1123546667 is an apocalyptic number.

1123546667 is a deficient number, since it is larger than the sum of its proper divisors (74893).

1123546667 is an equidigital number, since it uses as much as digits as its factorization.

1123546667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74892.

The product of its digits is 181440, while the sum is 41.

The square root of 1123546667 is about 33519.3476517667. The cubic root of 1123546667 is about 1039.5938586108.

Adding to 1123546667 its reverse (7666453211), we get a palindrome (8789999878).

The spelling of 1123546667 in words is "one billion, one hundred twenty-three million, five hundred forty-six thousand, six hundred sixty-seven".