1226249 has 4 divisors (see below), whose sum is σ = 1233936. Its totient is φ = 1218564.

The previous prime is 1226237. The next prime is 1226257. The reversal of 1226249 is 9426221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9426221 = 7 ⋅1346603.

It is a cyclic number.

It is not a de Polignac number, because 1226249 - 2¹⁶ = 1160713 is a prime.

It is a super-2 number, since 2×1226249² = 3007373220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3599 + ... + 3924.

It is an arithmetic number, because the mean of its divisors is an integer number (308484).

2^1226249 is an apocalyptic number.

It is an amenable number.

1226249 is a deficient number, since it is larger than the sum of its proper divisors (7687).

1226249 is an equidigital number, since it uses as much as digits as its factorization.

1226249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686.

The product of its digits is 1728, while the sum is 26.

The square root of 1226249 is about 1107.3612779938. The cubic root of 1226249 is about 107.0351007210.

The spelling of 1226249 in words is "one million, two hundred twenty-six thousand, two hundred forty-nine".