1244240006 has 4 divisors (see below), whose sum is σ = 1866360012. Its totient is φ = 622120002.

The previous prime is 1244240003. The next prime is 1244240017. The reversal of 1244240006 is 6000424421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244240003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311060000 + ... + 311060003.

It is an arithmetic number, because the mean of its divisors is an integer number (466590003).

Almost surely, 2^1244240006 is an apocalyptic number.

1244240006 is a deficient number, since it is larger than the sum of its proper divisors (622120006).

1244240006 is an equidigital number, since it uses as much as digits as its factorization.

1244240006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622120005.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1244240006 is about 35273.7863859269. The cubic root of 1244240006 is about 1075.5601929021.

Adding to 1244240006 its reverse (6000424421), we get a palindrome (7244664427).

The spelling of 1244240006 in words is "one billion, two hundred forty-four million, two hundred forty thousand, six".