1185456 has 20 divisors (see below), whose sum is σ = 3062552. Its totient is φ = 395136.

The previous prime is 1185439. The next prime is 1185463. The reversal of 1185456 is 6545811.

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, 12301 + ... + 12396.

2^1185456 is an apocalyptic number.

1185456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1185456 is an abundant number, since it is smaller than the sum of its proper divisors (1877096).

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

1185456 is a wasteful number, since it uses less digits than its factorization.

1185456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24708 (or 24702 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1185456 is about 1088.7864804451. The cubic root of 1185456 is about 105.8347966538.

The spelling of 1185456 in words is "one million, one hundred eighty-five thousand, four hundred fifty-six".