1234407 has 4 divisors (see below), whose sum is σ = 1645880. Its totient is φ = 822936.

The previous prime is 1234393. The next prime is 1234417. The reversal of 1234407 is 7044321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1234407 - 2⁴ = 1234391 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234417) 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, 205732 + ... + 205737.

It is an arithmetic number, because the mean of its divisors is an integer number (411470).

2^1234407 is an apocalyptic number.

1234407 is a deficient number, since it is larger than the sum of its proper divisors (411473).

1234407 is an equidigital number, since it uses as much as digits as its factorization.

1234407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411472.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1234407 is about 1111.0387031962. The cubic root of 1234407 is about 107.2719376340.

Adding to 1234407 its reverse (7044321), we get a palindrome (8278728).

The spelling of 1234407 in words is "one million, two hundred thirty-four thousand, four hundred seven".