1113489 has 24 divisors (see below), whose sum is σ = 1793792. Its totient is φ = 660960.

The previous prime is 1113481. The next prime is 1113491. The reversal of 1113489 is 9843111.

It is not a de Polignac number, because 1113489 - 2³ = 1113481 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1113481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3474 + ... + 3780.

2^1113489 is an apocalyptic number.

It is an amenable number.

1113489 is a deficient number, since it is larger than the sum of its proper divisors (680303).

1113489 is a wasteful number, since it uses less digits than its factorization.

1113489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 354 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1113489 is about 1055.2198822994. The cubic root of 1113489 is about 103.6482507560.

It can be divided in two parts, 111 and 3489, that added together give a square (3600 = 60²).

The spelling of 1113489 in words is "one million, one hundred thirteen thousand, four hundred eighty-nine".