1172257 has 2 divisors, whose sum is σ = 1172258. Its totient is φ = 1172256.

The previous prime is 1172233. The next prime is 1172261. The reversal of 1172257 is 7522711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 57121 = 1056^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172257 - 2¹¹ = 1170209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1172207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586128 + 586129.

It is an arithmetic number, because the mean of its divisors is an integer number (586129).

2^1172257 is an apocalyptic number.

It is an amenable number.

1172257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172257 is an equidigital number, since it uses as much as digits as its factorization.

1172257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 980, while the sum is 25.

The square root of 1172257 is about 1082.7081785966. The cubic root of 1172257 is about 105.4405376081.

Adding to 1172257 its reverse (7522711), we get a palindrome (8694968).

The spelling of 1172257 in words is "one million, one hundred seventy-two thousand, two hundred fifty-seven".