1242238006 has 4 divisors (see below), whose sum is σ = 1863357012. Its totient is φ = 621119002.

The previous prime is 1242238001. The next prime is 1242238013. The reversal of 1242238006 is 6008322421.

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 (1242238001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310559500 + ... + 310559503.

It is an arithmetic number, because the mean of its divisors is an integer number (465839253).

Almost surely, 2^1242238006 is an apocalyptic number.

1242238006 is a deficient number, since it is larger than the sum of its proper divisors (621119006).

1242238006 is an equidigital number, since it uses as much as digits as its factorization.

1242238006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621119005.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1242238006 is about 35245.3969476867. The cubic root of 1242238006 is about 1074.9830193099.

The spelling of 1242238006 in words is "one billion, two hundred forty-two million, two hundred thirty-eight thousand, six".