1185140 has 24 divisors (see below), whose sum is σ = 2715552. Its totient is φ = 430880.

The previous prime is 1185131. The next prime is 1185179. The reversal of 1185140 is 415811.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (113148).

2^1185140 is an apocalyptic number.

1185140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1185140 is an abundant number, since it is smaller than the sum of its proper divisors (1530412).

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

1185140 is a wasteful number, since it uses less digits than its factorization.

1185140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1185140 is about 1088.6413550844. The cubic root of 1185140 is about 105.8253918993.

The spelling of 1185140 in words is "one million, one hundred eighty-five thousand, one hundred forty".