1155456 has 96 divisors (see below), whose sum is σ = 3580200. Its totient is φ = 356352.

The previous prime is 1155449. The next prime is 1155457. The reversal of 1155456 is 6545511.

It is a happy number.

1155456 is a `hidden beast` number, since 115 + 545 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19555 + ... + 19613.

2^1155456 is an apocalyptic number.

1155456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790100).

1155456 is an abundant number, since it is smaller than the sum of its proper divisors (2424744).

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

1155456 is a wasteful number, since it uses less digits than its factorization.

1155456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 81 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1155456 is about 1074.9213924748. The cubic root of 1155456 is about 104.9343807688.

It can be divided in two parts, 11 and 55456, that multiplied together give a palindrome (610016).

The spelling of 1155456 in words is "one million, one hundred fifty-five thousand, four hundred fifty-six".