1187238 has 32 divisors (see below), whose sum is σ = 2644992. Its totient is φ = 352800.

The previous prime is 1187233. The next prime is 1187239. The reversal of 1187238 is 8327811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (82656).

2^1187238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1187238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322496).

1187238 is an abundant number, since it is smaller than the sum of its proper divisors (1457754).

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

1187238 is a wasteful number, since it uses less digits than its factorization.

1187238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 2688, while the sum is 30.

The square root of 1187238 is about 1089.6045154091. The cubic root of 1187238 is about 105.8878010632.

The spelling of 1187238 in words is "one million, one hundred eighty-seven thousand, two hundred thirty-eight".