1121434667 has 8 divisors (see below), whose sum is σ = 1170733824. Its totient is φ = 1072180648.

The previous prime is 1121434661. The next prime is 1121434681. The reversal of 1121434667 is 7664341211.

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 1121434667 - 2⁴ = 1121434651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121434661) 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, 45668 + ... + 65790.

It is an arithmetic number, because the mean of its divisors is an integer number (146341728).

Almost surely, 2^1121434667 is an apocalyptic number.

1121434667 is a deficient number, since it is larger than the sum of its proper divisors (49299157).

1121434667 is a wasteful number, since it uses less digits than its factorization.

1121434667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22569.

The product of its digits is 24192, while the sum is 35.

The square root of 1121434667 is about 33487.8286396715. The cubic root of 1121434667 is about 1038.9420537856.

Adding to 1121434667 its reverse (7664341211), we get a palindrome (8785775878).

The spelling of 1121434667 in words is "one billion, one hundred twenty-one million, four hundred thirty-four thousand, six hundred sixty-seven".