1320262842 has 16 divisors (see below), whose sum is σ = 2779500960. Its totient is φ = 416925072.

The previous prime is 1320262837. The next prime is 1320262843. The reversal of 1320262842 is 2482620231.

It is not an unprimeable number, because it can be changed into a prime (1320262843) 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, 5790513 + ... + 5790740.

It is an arithmetic number, because the mean of its divisors is an integer number (173718810).

Almost surely, 2^1320262842 is an apocalyptic number.

1320262842 is an abundant number, since it is smaller than the sum of its proper divisors (1459238118).

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

1320262842 is a wasteful number, since it uses less digits than its factorization.

1320262842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581277.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1320262842 is about 36335.4213130934. The cubic root of 1320262842 is about 1097.0341156303.

The spelling of 1320262842 in words is "one billion, three hundred twenty million, two hundred sixty-two thousand, eight hundred forty-two".