1136180 has 12 divisors (see below), whose sum is σ = 2386020. Its totient is φ = 454464.

The previous prime is 1136153. The next prime is 1136183. The reversal of 1136180 is 816311.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 1008016 = 358^2 + 1004^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 56809 = 1136180 / (1 + 1 + 3 + 6 + 1 + 8 + 0).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28385 + ... + 28424.

It is an arithmetic number, because the mean of its divisors is an integer number (198835).

2^1136180 is an apocalyptic number.

1136180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1136180 is an abundant number, since it is smaller than the sum of its proper divisors (1249840).

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

1136180 is a wasteful number, since it uses less digits than its factorization.

1136180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56818 (or 56816 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1136180 is about 1065.9174452086. The cubic root of 1136180 is about 104.3475796592.

It can be divided in two parts, 1136 and 180, that multiplied together give a triangular number (204480 = T₆₃₉).

The spelling of 1136180 in words is "one million, one hundred thirty-six thousand, one hundred eighty".