1178140 has 12 divisors (see below), whose sum is σ = 2474136. Its totient is φ = 471248.

The previous prime is 1178131. The next prime is 1178141. The reversal of 1178140 is 418711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29434 + ... + 29473.

It is an arithmetic number, because the mean of its divisors is an integer number (206178).

2^1178140 is an apocalyptic number.

1178140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1178140 is an abundant number, since it is smaller than the sum of its proper divisors (1295996).

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

1178140 is a wasteful number, since it uses less digits than its factorization.

1178140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58916 (or 58914 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1178140 is about 1085.4215770842. The cubic root of 1178140 is about 105.6166286562.

The spelling of 1178140 in words is "one million, one hundred seventy-eight thousand, one hundred forty".