1201314421 has 4 divisors (see below), whose sum is σ = 1204717932. Its totient is φ = 1197910912.

The previous prime is 1201314383. The next prime is 1201314427. The reversal of 1201314421 is 1244131021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 875331396 + 325983025 = 29586^2 + 18055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201314421 - 2²¹ = 1199217269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201314427) 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, 1701226 + ... + 1701931.

It is an arithmetic number, because the mean of its divisors is an integer number (301179483).

Almost surely, 2^1201314421 is an apocalyptic number.

It is an amenable number.

1201314421 is a deficient number, since it is larger than the sum of its proper divisors (3403511).

1201314421 is an equidigital number, since it uses as much as digits as its factorization.

1201314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403510.

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

The square root of 1201314421 is about 34659.9829919174. The cubic root of 1201314421 is about 1063.0464222551.

Adding to 1201314421 its reverse (1244131021), we get a palindrome (2445445442).

The spelling of 1201314421 in words is "one billion, two hundred one million, three hundred fourteen thousand, four hundred twenty-one".