1116455 has 4 divisors (see below), whose sum is σ = 1339752. Its totient is φ = 893160.

The previous prime is 1116449. The next prime is 1116461. The reversal of 1116455 is 5546111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5546111 = 41 ⋅135271.

It is an interprime number because it is at equal distance from previous prime (1116449) and next prime (1116461).

It is not a de Polignac number, because 1116455 - 2⁴ = 1116439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111641 + ... + 111650.

It is an arithmetic number, because the mean of its divisors is an integer number (334938).

2^1116455 is an apocalyptic number.

1116455 is a deficient number, since it is larger than the sum of its proper divisors (223297).

1116455 is an equidigital number, since it uses as much as digits as its factorization.

1116455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223296.

The product of its digits is 600, while the sum is 23.

The square root of 1116455 is about 1056.6243419494. The cubic root of 1116455 is about 103.7401984257.

The spelling of 1116455 in words is "one million, one hundred sixteen thousand, four hundred fifty-five".