1112689449 has 9 divisors (see below), whose sum is σ = 1607362653. Its totient is φ = 741726252.

The previous prime is 1112689441. The next prime is 1112689453. The reversal of 1112689449 is 9449862111.

It is a happy number.

The square root of 1112689449 is 33357.

It is a perfect power (a square), and thus also a powerful number.

1112689449 is a `hidden beast` number, since 1 + 1 + 126 + 89 + 449 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1112689449 - 2³ = 1112689441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1112689441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 94512 + ... + 105630.

Almost surely, 2^1112689449 is an apocalyptic number.

1112689449 is the 33357-th square number.

1112689449 is the 16679-th centered octagonal number.

It is an amenable number.

1112689449 is a deficient number, since it is larger than the sum of its proper divisors (494673204).

1112689449 is an frugal number, since it uses more digits than its factorization.

1112689449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22244 (or 11122 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The cubic root of 1112689449 is about 1036.2343628962.

It can be divided in two parts, 1112 and 689449, that added together give a square (690561 = 831²).

The spelling of 1112689449 in words is "one billion, one hundred twelve million, six hundred eighty-nine thousand, four hundred forty-nine".