1117456 has 20 divisors (see below), whose sum is σ = 2181904. Its totient is φ = 554400.

The previous prime is 1117451. The next prime is 1117463. The reversal of 1117456 is 6547111.

It is a happy number.

1117456 is nontrivially palindromic in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1117456.

It is not an unprimeable number, because it can be changed into a prime (1117451) 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, 3211 + ... + 3541.

2^1117456 is an apocalyptic number.

1117456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1117456 is a deficient number, since it is larger than the sum of its proper divisors (1064448).

1117456 is a wasteful number, since it uses less digits than its factorization.

1117456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 1117456 is about 1057.0979141026. The cubic root of 1117456 is about 103.7711932318.

The spelling of 1117456 in words is "one million, one hundred seventeen thousand, four hundred fifty-six".