1200131242 has 16 divisors (see below), whose sum is σ = 1828036800. Its totient is φ = 590814432.

The previous prime is 1200131227. The next prime is 1200131243. The reversal of 1200131242 is 2421310021.

It is not an unprimeable number, because it can be changed into a prime (1200131243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80593 + ... + 94315.

It is an arithmetic number, because the mean of its divisors is an integer number (114252300).

Almost surely, 2^1200131242 is an apocalyptic number.

1200131242 is a deficient number, since it is larger than the sum of its proper divisors (627905558).

1200131242 is a wasteful number, since it uses less digits than its factorization.

1200131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14397.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1200131242 is about 34642.9104146866. The cubic root of 1200131242 is about 1062.6973081692.

Adding to 1200131242 its reverse (2421310021), we get a palindrome (3621441263).

The spelling of 1200131242 in words is "one billion, two hundred million, one hundred thirty-one thousand, two hundred forty-two".