1247227 has 4 divisors (see below), whose sum is σ = 1259440. Its totient is φ = 1235016.

The previous prime is 1247209. The next prime is 1247231. The reversal of 1247227 is 7227421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7227421 = 173 ⋅41777.

It is a cyclic number.

It is not a de Polignac number, because 1247227 - 2¹⁵ = 1214459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1247297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5952 + ... + 6157.

It is an arithmetic number, because the mean of its divisors is an integer number (314860).

2^1247227 is an apocalyptic number.

1247227 is a deficient number, since it is larger than the sum of its proper divisors (12213).

1247227 is a wasteful number, since it uses less digits than its factorization.

1247227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12212.

The product of its digits is 1568, while the sum is 25.

The square root of 1247227 is about 1116.7931769133. The cubic root of 1247227 is about 107.6420188935.

The spelling of 1247227 in words is "one million, two hundred forty-seven thousand, two hundred twenty-seven".