1227239 has 8 divisors (see below), whose sum is σ = 1342320. Its totient is φ = 1115136.

The previous prime is 1227181. The next prime is 1227241. The reversal of 1227239 is 9327221.

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

It is a cyclic number.

It is not a de Polignac number, because 1227239 - 2⁸ = 1226983 is a prime.

It is a super-2 number, since 2×1227239² = 3012231126242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227299) 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 7 ways as a sum of consecutive naturals, for example, 167 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (167790).

2^1227239 is an apocalyptic number.

1227239 is a deficient number, since it is larger than the sum of its proper divisors (115081).

1227239 is a wasteful number, since it uses less digits than its factorization.

1227239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its digits is 1512, while the sum is 26.

The square root of 1227239 is about 1107.8081963950. The cubic root of 1227239 is about 107.0638975494.

The spelling of 1227239 in words is "one million, two hundred twenty-seven thousand, two hundred thirty-nine".