1113257 has 2 divisors, whose sum is σ = 1113258. Its totient is φ = 1113256.

The previous prime is 1113253. The next prime is 1113317. The reversal of 1113257 is 7523111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678976 + 434281 = 824^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113257 - 2² = 1113253 is a prime.

It is a super-2 number, since 2×1113257² = 2478682296098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1113253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556628 + 556629.

It is an arithmetic number, because the mean of its divisors is an integer number (556629).

2^1113257 is an apocalyptic number.

It is an amenable number.

1113257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113257 is an equidigital number, since it uses as much as digits as its factorization.

1113257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210, while the sum is 20.

The square root of 1113257 is about 1055.1099468776. The cubic root of 1113257 is about 103.6410517433.

Adding to 1113257 its reverse (7523111), we get a palindrome (8636368).

The spelling of 1113257 in words is "one million, one hundred thirteen thousand, two hundred fifty-seven".