1200240042 has 8 divisors (see below), whose sum is σ = 2400480096. Its totient is φ = 400080012.

The previous prime is 1200240031. The next prime is 1200240047. The reversal of 1200240042 is 2400420021.

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

1200240042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1200240047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100019998 + ... + 100020009.

It is an arithmetic number, because the mean of its divisors is an integer number (300060012).

Almost surely, 2^1200240042 is an apocalyptic number.

1200240042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200240042 is a wasteful number, since it uses less digits than its factorization.

1200240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200040012.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1200240042 is about 34644.4806859621. The cubic root of 1200240042 is about 1062.7294207609.

Adding to 1200240042 its reverse (2400420021), we get a palindrome (3600660063).

The spelling of 1200240042 in words is "one billion, two hundred million, two hundred forty thousand, forty-two".