1225297 has 2 divisors, whose sum is σ = 1225298. Its totient is φ = 1225296.

The previous prime is 1225283. The next prime is 1225303. The reversal of 1225297 is 7925221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 583696 = 801^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225297 - 2¹⁹ = 701009 is a prime.

It is a Chen prime.

It is equal to p₉₄₇₁₇ and since 1225297 and 94717 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1225097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612648 + 612649.

It is an arithmetic number, because the mean of its divisors is an integer number (612649).

2^1225297 is an apocalyptic number.

It is an amenable number.

1225297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225297 is an equidigital number, since it uses as much as digits as its factorization.

1225297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 1225297 is about 1106.9313438511. The cubic root of 1225297 is about 107.0073946035.

The spelling of 1225297 in words is "one million, two hundred twenty-five thousand, two hundred ninety-seven".