1187260 has 48 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 433664.

The previous prime is 1187239. The next prime is 1187261. The reversal of 1187260 is 627811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187261) 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 15 ways as a sum of consecutive naturals, for example, 13296 + ... + 13384.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2^1187260 is an apocalyptic number.

1187260 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 1187260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360800).

1187260 is an abundant number, since it is smaller than the sum of its proper divisors (1534340).

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

1187260 is a wasteful number, since it uses less digits than its factorization.

1187260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1187260 is about 1089.6146107684. The cubic root of 1187260 is about 105.8884551070. Note that the first 3 decimals are identical.

The spelling of 1187260 in words is "one million, one hundred eighty-seven thousand, two hundred sixty".