1112687489 has 4 divisors (see below), whose sum is σ = 1117589424. Its totient is φ = 1107785556.

The previous prime is 1112687483. The next prime is 1112687497. The reversal of 1112687489 is 9847862111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9847862111 = 1069 ⋅9212219.

It is a cyclic number.

It is not a de Polignac number, because 1112687489 - 2¹² = 1112683393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112687483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450627 + ... + 2451080.

It is an arithmetic number, because the mean of its divisors is an integer number (279397356).

Almost surely, 2^1112687489 is an apocalyptic number.

It is an amenable number.

1112687489 is a deficient number, since it is larger than the sum of its proper divisors (4901935).

1112687489 is an equidigital number, since it uses as much as digits as its factorization.

1112687489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901934.

The product of its digits is 193536, while the sum is 47.

The square root of 1112687489 is about 33356.9706208463. The cubic root of 1112687489 is about 1036.2337544544.

The spelling of 1112687489 in words is "one billion, one hundred twelve million, six hundred eighty-seven thousand, four hundred eighty-nine".