1226247 has 8 divisors (see below), whose sum is σ = 1783680. Its totient is φ = 743160.

The previous prime is 1226237. The next prime is 1226257. The reversal of 1226247 is 7426221.

It is an interprime number because it is at equal distance from previous prime (1226237) and next prime (1226257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1226247 - 2¹⁰ = 1225223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18547 + ... + 18612.

It is an arithmetic number, because the mean of its divisors is an integer number (222960).

2^1226247 is an apocalyptic number.

1226247 is a deficient number, since it is larger than the sum of its proper divisors (557433).

1226247 is a wasteful number, since it uses less digits than its factorization.

1226247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37173.

The product of its digits is 1344, while the sum is 24.

The square root of 1226247 is about 1107.3603749458. The cubic root of 1226247 is about 107.0350425299.

The spelling of 1226247 in words is "one million, two hundred twenty-six thousand, two hundred forty-seven".