1152257 has 4 divisors (see below), whose sum is σ = 1192020. Its totient is φ = 1112496.

The previous prime is 1152233. The next prime is 1152287. The reversal of 1152257 is 7522511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7522511 = 509 ⋅14779.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 261121 = 944^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152257 - 2¹⁰ = 1151233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152227) 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 3 ways as a sum of consecutive naturals, for example, 19838 + ... + 19895.

It is an arithmetic number, because the mean of its divisors is an integer number (298005).

2^1152257 is an apocalyptic number.

It is an amenable number.

1152257 is a deficient number, since it is larger than the sum of its proper divisors (39763).

1152257 is an equidigital number, since it uses as much as digits as its factorization.

1152257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39762.

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

The square root of 1152257 is about 1073.4323453297. The cubic root of 1152257 is about 104.8374506811.

Adding to 1152257 its reverse (7522511), we get a palindrome (8674768).

The spelling of 1152257 in words is "one million, one hundred fifty-two thousand, two hundred fifty-seven".