1243234 has 4 divisors (see below), whose sum is σ = 1864854. Its totient is φ = 621616.

The previous prime is 1243211. The next prime is 1243271. The reversal of 1243234 is 4323421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4323421 = 449 ⋅9629.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 9 = 1115^2 + 3^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310807 + ... + 310810.

2^1243234 is an apocalyptic number.

1243234 is a deficient number, since it is larger than the sum of its proper divisors (621620).

1243234 is an equidigital number, since it uses as much as digits as its factorization.

1243234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621619.

The product of its digits is 576, while the sum is 19.

The square root of 1243234 is about 1115.0040358671. The cubic root of 1243234 is about 107.5270240334.

Adding to 1243234 its reverse (4323421), we get a palindrome (5566655).

The spelling of 1243234 in words is "one million, two hundred forty-three thousand, two hundred thirty-four".