1113526 has 4 divisors (see below), whose sum is σ = 1670292. Its totient is φ = 556762.

The previous prime is 1113521. The next prime is 1113527. The reversal of 1113526 is 6253111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6253111 = 37 ⋅169003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113521) 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 as a sum of consecutive naturals, namely, 278380 + ... + 278383.

It is an arithmetic number, because the mean of its divisors is an integer number (417573).

2^1113526 is an apocalyptic number.

1113526 is a deficient number, since it is larger than the sum of its proper divisors (556766).

1113526 is an equidigital number, since it uses as much as digits as its factorization.

1113526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556765.

The product of its digits is 180, while the sum is 19.

The square root of 1113526 is about 1055.2374140448. The cubic root of 1113526 is about 103.6493987820.

Adding to 1113526 its reverse (6253111), we get a palindrome (7366637).

The spelling of 1113526 in words is "one million, one hundred thirteen thousand, five hundred twenty-six".