1113456 has 20 divisors (see below), whose sum is σ = 2876552. Its totient is φ = 371136.

The previous prime is 1113451. The next prime is 1113461. The reversal of 1113456 is 6543111.

It is an interprime number because it is at equal distance from previous prime (1113451) and next prime (1113461).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113451) 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 3 ways as a sum of consecutive naturals, for example, 11551 + ... + 11646.

2^1113456 is an apocalyptic number.

1113456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1113456 is an abundant number, since it is smaller than the sum of its proper divisors (1763096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113456 is a wasteful number, since it uses less digits than its factorization.

1113456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23208 (or 23202 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 1113456 is about 1055.2042456321. The cubic root of 1113456 is about 103.6472268195.

Adding to 1113456 its reverse (6543111), we get a palindrome (7656567).

It can be divided in two parts, 1113 and 456, that multiplied together give a triangular number (507528 = T₁₀₀₇).

The spelling of 1113456 in words is "one million, one hundred thirteen thousand, four hundred fifty-six".