1182940 has 48 divisors (see below), whose sum is σ = 2862720. Its totient is φ = 406080.

The previous prime is 1182919. The next prime is 1182947. The reversal of 1182940 is 492811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1182947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4039 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (59640).

2^1182940 is an apocalyptic number.

1182940 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 1182940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431360).

1182940 is an abundant number, since it is smaller than the sum of its proper divisors (1679780).

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

1182940 is a wasteful number, since it uses less digits than its factorization.

1182940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1182940 is about 1087.6304519459. The cubic root of 1182940 is about 105.7598693813.

The spelling of 1182940 in words is "one million, one hundred eighty-two thousand, nine hundred forty".