1320272242 has 8 divisors (see below), whose sum is σ = 2028711132. Its totient is φ = 644035200.

The previous prime is 1320272203. The next prime is 1320272281. The reversal of 1320272242 is 2422720231.

It is an interprime number because it is at equal distance from previous prime (1320272203) and next prime (1320272281).

It can be written as a sum of positive squares in 2 ways, for example, as 1252522881 + 67749361 = 35391^2 + 8231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050359 + ... + 8050522.

Almost surely, 2^1320272242 is an apocalyptic number.

1320272242 is a deficient number, since it is larger than the sum of its proper divisors (708438890).

1320272242 is a wasteful number, since it uses less digits than its factorization.

1320272242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16100924.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1320272242 is about 36335.5506632279. The cubic root of 1320272242 is about 1097.0367191766.

Adding to 1320272242 its reverse (2422720231), we get a palindrome (3742992473).

The spelling of 1320272242 in words is "one billion, three hundred twenty million, two hundred seventy-two thousand, two hundred forty-two".