1201605442 has 8 divisors (see below), whose sum is σ = 1824124176. Its totient is φ = 593564052.

The previous prime is 1201605439. The next prime is 1201605463. The reversal of 1201605442 is 2445061021.

It is a happy number.

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, 3619128 + ... + 3619459.

It is an arithmetic number, because the mean of its divisors is an integer number (228015522).

Almost surely, 2^1201605442 is an apocalyptic number.

1201605442 is a deficient number, since it is larger than the sum of its proper divisors (622518734).

1201605442 is an equidigital number, since it uses as much as digits as its factorization.

1201605442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238672.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1201605442 is about 34664.1809653712. The cubic root of 1201605442 is about 1063.1322570843.

Adding to 1201605442 its reverse (2445061021), we get a palindrome (3646666463).

The spelling of 1201605442 in words is "one billion, two hundred one million, six hundred five thousand, four hundred forty-two".