1261184 has 32 divisors (see below), whose sum is σ = 2570400. Its totient is φ = 616192.

The previous prime is 1261177. The next prime is 1261199. The reversal of 1261184 is 4811621.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7469 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2^1261184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1261184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285200).

1261184 is an abundant number, since it is smaller than the sum of its proper divisors (1309216).

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

1261184 is an equidigital number, since it uses as much as digits as its factorization.

1261184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 1261184 is about 1123.0244877116. The cubic root of 1261184 is about 108.0420503834.

The spelling of 1261184 in words is "one million, two hundred sixty-one thousand, one hundred eighty-four".