1211301242 has 8 divisors (see below), whose sum is σ = 1817435232. Its totient is φ = 605489500.

The previous prime is 1211301229. The next prime is 1211301269. The reversal of 1211301242 is 2421031121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211301242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70934 + ... + 86337.

It is an arithmetic number, because the mean of its divisors is an integer number (227179404).

Almost surely, 2^1211301242 is an apocalyptic number.

1211301242 is a deficient number, since it is larger than the sum of its proper divisors (606133990).

1211301242 is a wasteful number, since it uses less digits than its factorization.

1211301242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161124.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1211301242 is about 34803.7532746111. The cubic root of 1211301242 is about 1065.9840851488.

Adding to 1211301242 its reverse (2421031121), we get a palindrome (3632332363).

The spelling of 1211301242 in words is "one billion, two hundred eleven million, three hundred one thousand, two hundred forty-two".