1234345 has 8 divisors (see below), whose sum is σ = 1692864. Its totient is φ = 846384.

The previous prime is 1234333. The next prime is 1234349. The reversal of 1234345 is 5434321.

1234345 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a de Polignac number, because none of the positive numbers 2^k-1234345 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17599 + ... + 17668.

It is an arithmetic number, because the mean of its divisors is an integer number (211608).

2^1234345 is an apocalyptic number.

It is an amenable number.

1234345 is a deficient number, since it is larger than the sum of its proper divisors (458519).

1234345 is an equidigital number, since it uses as much as digits as its factorization.

1234345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35279.

The product of its digits is 1440, while the sum is 22.

The square root of 1234345 is about 1111.0108010276. The cubic root of 1234345 is about 107.2701416376.

Adding to 1234345 its reverse (5434321), we get a palindrome (6668666).

It can be divided in two parts, 123 and 4345, that multiplied together give a palindrome (534435).

The spelling of 1234345 in words is "one million, two hundred thirty-four thousand, three hundred forty-five".