1171230 has 16 divisors (see below), whose sum is σ = 2811024. Its totient is φ = 312320.

The previous prime is 1171207. The next prime is 1171231. The reversal of 1171230 is 321711.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19491 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (175689).

2^1171230 is an apocalyptic number.

1171230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1171230 is an abundant number, since it is smaller than the sum of its proper divisors (1639794).

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

1171230 is a wasteful number, since it uses less digits than its factorization.

1171230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39051.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1171230 is about 1082.2338009876. The cubic root of 1171230 is about 105.4097368904.

Subtracting from 1171230 its sum of digits (15), we obtain a triangular number (1171215 = T₁₅₃₀).

Adding to 1171230 its reverse (321711), we get a palindrome (1492941).

The spelling of 1171230 in words is "one million, one hundred seventy-one thousand, two hundred thirty".