1200610421 has 8 divisors (see below), whose sum is σ = 1232580888. Its totient is φ = 1168768000.

The previous prime is 1200610403. The next prime is 1200610451. The reversal of 1200610421 is 1240160021.

It can be written as a sum of positive squares in 4 ways, for example, as 9394225 + 1191216196 = 3065^2 + 34514^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1200610421 - 2¹⁴ = 1200594037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200610421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200610451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12860 + ... + 50661.

It is an arithmetic number, because the mean of its divisors is an integer number (154072611).

Almost surely, 2^1200610421 is an apocalyptic number.

It is an amenable number.

1200610421 is a deficient number, since it is larger than the sum of its proper divisors (31970467).

1200610421 is an equidigital number, since it uses as much as digits as its factorization.

1200610421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64023.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1200610421 is about 34649.8256994173. The cubic root of 1200610421 is about 1062.8387245016.

Adding to 1200610421 its reverse (1240160021), we get a palindrome (2440770442).

The spelling of 1200610421 in words is "one billion, two hundred million, six hundred ten thousand, four hundred twenty-one".