1243434 has 8 divisors (see below), whose sum is σ = 2486880. Its totient is φ = 414476.

The previous prime is 1243427. The next prime is 1243439. The reversal of 1243434 is 4343421.

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

1243434 is an admirable number.

It is a super-2 number, since 2×1243434² = 3092256224712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1243434.

It is not an unprimeable number, because it can be changed into a prime (1243439) 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 3 ways as a sum of consecutive naturals, for example, 103614 + ... + 103625.

It is an arithmetic number, because the mean of its divisors is an integer number (310860).

2^1243434 is an apocalyptic number.

1243434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243434 is a wasteful number, since it uses less digits than its factorization.

1243434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207244.

The product of its digits is 1152, while the sum is 21.

The square root of 1243434 is about 1115.0937180345. The cubic root of 1243434 is about 107.5327897090.

Adding to 1243434 its reverse (4343421), we get a palindrome (5586855).

The spelling of 1243434 in words is "one million, two hundred forty-three thousand, four hundred thirty-four".