1201131442 has 8 divisors (see below), whose sum is σ = 2059082496. Its totient is φ = 514770612.

The previous prime is 1201131439. The next prime is 1201131469. The reversal of 1201131442 is 2441311021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42897538 + ... + 42897565.

It is an arithmetic number, because the mean of its divisors is an integer number (257385312).

Almost surely, 2^1201131442 is an apocalyptic number.

1201131442 is a deficient number, since it is larger than the sum of its proper divisors (857951054).

1201131442 is an equidigital number, since it uses as much as digits as its factorization.

1201131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85795112.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1201131442 is about 34657.3432622871. The cubic root of 1201131442 is about 1062.9924466418.

Adding to 1201131442 its reverse (2441311021), we get a palindrome (3642442463).

The spelling of 1201131442 in words is "one billion, two hundred one million, one hundred thirty-one thousand, four hundred forty-two".