1252247 has 2 divisors, whose sum is σ = 1252248. Its totient is φ = 1252246.

The previous prime is 1252219. The next prime is 1252259. The reversal of 1252247 is 7422521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252247 - 2¹² = 1248151 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹⁴ + 5 + 2¹⁶ + 2²⁰ + 4⁶ + 7⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626123 + 626124.

It is an arithmetic number, because the mean of its divisors is an integer number (626124).

2^1252247 is an apocalyptic number.

1252247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252247 is an equidigital number, since it uses as much as digits as its factorization.

1252247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 23.

The square root of 1252247 is about 1119.0384265073. The cubic root of 1252247 is about 107.7862427270.

Adding to 1252247 its reverse (7422521), we get a palindrome (8674768).

It can be divided in two parts, 125 and 2247, that multiplied together give a triangular number (280875 = T₇₄₉).

The spelling of 1252247 in words is "one million, two hundred fifty-two thousand, two hundred forty-seven".