1240234 has 4 divisors (see below), whose sum is σ = 1860354. Its totient is φ = 620116.

The previous prime is 1240231. The next prime is 1240241. The reversal of 1240234 is 4320421.

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

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 41209 = 1095^2 + 203^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 2⁹ + 4⁵ + 0 + 2¹⁷ + 3¹⁰ + 4¹⁰ .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1240231) 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 as a sum of consecutive naturals, namely, 310057 + ... + 310060.

2^1240234 is an apocalyptic number.

1240234 is a deficient number, since it is larger than the sum of its proper divisors (620120).

1240234 is an equidigital number, since it uses as much as digits as its factorization.

1240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620119.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1240234 is about 1113.6579367113. The cubic root of 1240234 is about 107.4404646006.

Adding to 1240234 its reverse (4320421), we get a palindrome (5560655).

The spelling of 1240234 in words is "one million, two hundred forty thousand, two hundred thirty-four".