1320281542 has 8 divisors (see below), whose sum is σ = 1986670656. Its totient is φ = 658057992.

The previous prime is 1320281539. The next prime is 1320281563. The reversal of 1320281542 is 2451820231.

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 1320281542.

It is a congruent number.

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, 1040598 + ... + 1041865.

It is an arithmetic number, because the mean of its divisors is an integer number (248333832).

Almost surely, 2^1320281542 is an apocalyptic number.

1320281542 is a deficient number, since it is larger than the sum of its proper divisors (666389114).

1320281542 is a wasteful number, since it uses less digits than its factorization.

1320281542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082782.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1320281542 is about 36335.6786368440. The cubic root of 1320281542 is about 1097.0392950134.

The spelling of 1320281542 in words is "one billion, three hundred twenty million, two hundred eighty-one thousand, five hundred forty-two".