1172255 has 8 divisors (see below), whose sum is σ = 1607712. Its totient is φ = 803808.

The previous prime is 1172233. The next prime is 1172257. The reversal of 1172255 is 5522711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1172255 - 2⁸ = 1171999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1172255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16712 + ... + 16781.

It is an arithmetic number, because the mean of its divisors is an integer number (200964).

2^1172255 is an apocalyptic number.

1172255 is a deficient number, since it is larger than the sum of its proper divisors (435457).

1172255 is an equidigital number, since it uses as much as digits as its factorization.

1172255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33505.

The product of its digits is 700, while the sum is 23.

The square root of 1172255 is about 1082.7072549863. The cubic root of 1172255 is about 105.4404776436.

Adding to 1172255 its reverse (5522711), we get a palindrome (6694966).

The spelling of 1172255 in words is "one million, one hundred seventy-two thousand, two hundred fifty-five".