1320360642 has 16 divisors (see below), whose sum is σ = 2934134880. Its totient is φ = 440120196.

The previous prime is 1320360631. The next prime is 1320360667. The reversal of 1320360642 is 2460630231.

1320360642 is a `hidden beast` number, since 13 + 2 + 0 + 3 + 6 + 0 + 642 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12225508 + ... + 12225615.

It is an arithmetic number, because the mean of its divisors is an integer number (183383430).

Almost surely, 2^1320360642 is an apocalyptic number.

1320360642 is an abundant number, since it is smaller than the sum of its proper divisors (1613774238).

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

1320360642 is a wasteful number, since it uses less digits than its factorization.

1320360642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24451134 (or 24451128 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1320360642 is about 36336.7670823919. The cubic root of 1320360642 is about 1097.0612029859.

Adding to 1320360642 its reverse (2460630231), we get a palindrome (3780990873).

The spelling of 1320360642 in words is "one billion, three hundred twenty million, three hundred sixty thousand, six hundred forty-two".