1201422241 has 4 divisors (see below), whose sum is σ = 1203246000. Its totient is φ = 1199598484.

The previous prime is 1201422223. The next prime is 1201422263. The reversal of 1201422241 is 1422241021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201422241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201423241) by changing a digit.

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, 910891 + ... + 912208.

It is an arithmetic number, because the mean of its divisors is an integer number (300811500).

Almost surely, 2^1201422241 is an apocalyptic number.

It is an amenable number.

1201422241 is a deficient number, since it is larger than the sum of its proper divisors (1823759).

1201422241 is an equidigital number, since it uses as much as digits as its factorization.

1201422241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823758.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1201422241 is about 34661.5383530506. The cubic root of 1201422241 is about 1063.0782247081.

Adding to 1201422241 its reverse (1422241021), we get a palindrome (2623663262).

The spelling of 1201422241 in words is "one billion, two hundred one million, four hundred twenty-two thousand, two hundred forty-one".