1242341822 has 8 divisors (see below), whose sum is σ = 1913878056. Its totient is φ = 604382472.

The previous prime is 1242341761. The next prime is 1242341839. The reversal of 1242341822 is 2281432421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8394128 + ... + 8394275.

It is an arithmetic number, because the mean of its divisors is an integer number (239234757).

Almost surely, 2^1242341822 is an apocalyptic number.

1242341822 is a deficient number, since it is larger than the sum of its proper divisors (671536234).

1242341822 is a wasteful number, since it uses less digits than its factorization.

1242341822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788442.

The product of its digits is 6144, while the sum is 29.

The square root of 1242341822 is about 35246.8696766110. The cubic root of 1242341822 is about 1075.0129645453.

It can be divided in two parts, 12423 and 41822, that added together give a palindrome (54245).

The spelling of 1242341822 in words is "one billion, two hundred forty-two million, three hundred forty-one thousand, eight hundred twenty-two".