1112689451 has 4 divisors (see below), whose sum is σ = 1126095432. Its totient is φ = 1099283472.

The previous prime is 1112689441. The next prime is 1112689453. The reversal of 1112689451 is 1549862111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1112689451 - 2¹⁰ = 1112688427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112689453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6702866 + ... + 6703031.

It is an arithmetic number, because the mean of its divisors is an integer number (281523858).

Almost surely, 2^1112689451 is an apocalyptic number.

1112689451 is a deficient number, since it is larger than the sum of its proper divisors (13405981).

1112689451 is an equidigital number, since it uses as much as digits as its factorization.

1112689451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13405980.

The product of its digits is 17280, while the sum is 38.

The square root of 1112689451 is about 33357.0000299787. Note that the first 4 decimals coincide. The cubic root of 1112689451 is about 1036.2343635171.

The spelling of 1112689451 in words is "one billion, one hundred twelve million, six hundred eighty-nine thousand, four hundred fifty-one".