1188072 has 48 divisors (see below), whose sum is σ = 3334500. Its totient is φ = 381696.

The previous prime is 1188071. The next prime is 1188073. The reversal of 1188072 is 2708811.

It is an interprime number because it is at equal distance from previous prime (1188071) and next prime (1188073).

It can be written as a sum of positive squares in 2 ways, for example, as 1153476 + 34596 = 1074^2 + 186^2 .

It is not an unprimeable number, because it can be changed into a prime (1188071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1804 + ... + 2372.

2^1188072 is an apocalyptic number.

1188072 is a gapful number since it is divisible by the number (12) 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 1188072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667250).

1188072 is an abundant number, since it is smaller than the sum of its proper divisors (2146428).

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

1188072 is a wasteful number, since it uses less digits than its factorization.

1188072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1188072 is about 1089.9871558876. The cubic root of 1188072 is about 105.9125896216.

The spelling of 1188072 in words is "one million, one hundred eighty-eight thousand, seventy-two".