1226207 has 4 divisors (see below), whose sum is σ = 1268520. Its totient is φ = 1183896.

The previous prime is 1226191. The next prime is 1226209. The reversal of 1226207 is 7026221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7026221 = 157 ⋅44753.

It is not a de Polignac number, because 1226207 - 2⁴ = 1226191 is a prime.

It is a Duffinian number.

It is a congruent 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, 21113 + ... + 21170.

It is an arithmetic number, because the mean of its divisors is an integer number (317130).

2^1226207 is an apocalyptic number.

1226207 is a deficient number, since it is larger than the sum of its proper divisors (42313).

1226207 is an equidigital number, since it uses as much as digits as its factorization.

1226207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42312.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1226207 is about 1107.3423138307. The cubic root of 1226207 is about 107.0338786947.

The spelling of 1226207 in words is "one million, two hundred twenty-six thousand, two hundred seven".