1187230 has 32 divisors (see below), whose sum is σ = 2395008. Its totient is φ = 420000.

The previous prime is 1187227. The next prime is 1187233. The reversal of 1187230 is 327811.

It is an interprime number because it is at equal distance from previous prime (1187227) and next prime (1187233).

It is a Harshad number since it is a multiple of its sum of digits (22).

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 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, 4605 + ... + 4855.

It is an arithmetic number, because the mean of its divisors is an integer number (74844).

2^1187230 is an apocalyptic number.

1187230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1187230 is an abundant number, since it is smaller than the sum of its proper divisors (1207778).

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

1187230 is a wasteful number, since it uses less digits than its factorization.

1187230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1187230 is about 1089.6008443462. The cubic root of 1187230 is about 105.8875632270.

The spelling of 1187230 in words is "one million, one hundred eighty-seven thousand, two hundred thirty".