1226439 has 24 divisors (see below), whose sum is σ = 1896960. Its totient is φ = 762048.

The previous prime is 1226417. The next prime is 1226461. The reversal of 1226439 is 9346221.

1226439 is a `hidden beast` number, since 1 + 226 + 439 = 666.

It is an interprime number because it is at equal distance from previous prime (1226417) and next prime (1226461).

It is not a de Polignac number, because 1226439 - 2⁷ = 1226311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9594 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (79040).

2^1226439 is an apocalyptic number.

1226439 is a deficient number, since it is larger than the sum of its proper divisors (670521).

1226439 is a wasteful number, since it uses less digits than its factorization.

1226439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 196 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1226439 is about 1107.4470641977. The cubic root of 1226439 is about 107.0406285866.

It can be divided in two parts, 122 and 6439, that added together give a 8-th power (6561 = 3⁸).

The spelling of 1226439 in words is "one million, two hundred twenty-six thousand, four hundred thirty-nine".