1172000 has 48 divisors (see below), whose sum is σ = 2889432. Its totient is φ = 467200.

The previous prime is 1171999. The next prime is 1172009. The reversal of 1172000 is 2711.

It can be written as a sum of positive squares in 4 ways, for example, as 659344 + 512656 = 812^2 + 716^2 .

It is not an unprimeable number, because it can be changed into a prime (1172009) 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 7 ways as a sum of consecutive naturals, for example, 3854 + ... + 4146.

2^1172000 is an apocalyptic number.

1172000 is a gapful number since it is divisible by the number (10) 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 1172000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444716).

1172000 is an abundant number, since it is smaller than the sum of its proper divisors (1717432).

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

1172000 is an equidigital number, since it uses as much as digits as its factorization.

1172000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 1172000 is about 1082.5894882179. The cubic root of 1172000 is about 105.4328316191.

Adding to 1172000 its reverse (2711), we get a palindrome (1174711).

The spelling of 1172000 in words is "one million, one hundred seventy-two thousand".