1173144 has 32 divisors (see below), whose sum is σ = 3352320. Its totient is φ = 335136.

The previous prime is 1173127. The next prime is 1173157. The reversal of 1173144 is 4413711.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1173144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3324 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (104760).

2^1173144 is an apocalyptic number.

1173144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1173144 is an abundant number, since it is smaller than the sum of its proper divisors (2179176).

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

1173144 is a wasteful number, since it uses less digits than its factorization.

1173144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999 (or 6995 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 1173144 is about 1083.1177221337. The cubic root of 1173144 is about 105.4671251163.

Adding to 1173144 its reverse (4413711), we get a palindrome (5586855).

The spelling of 1173144 in words is "one million, one hundred seventy-three thousand, one hundred forty-four".