1320126042 has 16 divisors (see below), whose sum is σ = 2779212960. Its totient is φ = 416881872.

The previous prime is 1320126029. The next prime is 1320126043. The reversal of 1320126042 is 2406210231.

It is not an unprimeable number, because it can be changed into a prime (1320126043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5789913 + ... + 5790140.

It is an arithmetic number, because the mean of its divisors is an integer number (173700810).

Almost surely, 2^1320126042 is an apocalyptic number.

1320126042 is an abundant number, since it is smaller than the sum of its proper divisors (1459086918).

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

1320126042 is a wasteful number, since it uses less digits than its factorization.

1320126042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580077.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1320126042 is about 36333.5388037004. The cubic root of 1320126042 is about 1096.9962243241.

Adding to 1320126042 its reverse (2406210231), we get a palindrome (3726336273).

The spelling of 1320126042 in words is "one billion, three hundred twenty million, one hundred twenty-six thousand, forty-two".