1182040 has 32 divisors (see below), whose sum is σ = 2754000. Its totient is φ = 456064.

The previous prime is 1182031. The next prime is 1182043. The reversal of 1182040 is 402811.

1182040 = 8² + 9² + ... + 152².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1182043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 1669.

2^1182040 is an apocalyptic number.

1182040 is a gapful number since it is divisible by the number (10) 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 1182040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377000).

1182040 is an abundant number, since it is smaller than the sum of its proper divisors (1571960).

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

1182040 is a wasteful number, since it uses less digits than its factorization.

1182040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1182040 is about 1087.2166297477. The cubic root of 1182040 is about 105.7330412999.

Adding to 1182040 its reverse (402811), we get a palindrome (1584851).

The spelling of 1182040 in words is "one million, one hundred eighty-two thousand, forty".