1200043241 has 4 divisors (see below), whose sum is σ = 1200370500. Its totient is φ = 1199715984.

The previous prime is 1200043223. The next prime is 1200043261. The reversal of 1200043241 is 1423400021.

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 416323216 + 783720025 = 20404^2 + 27995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200043241 - 2²² = 1195848937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200043261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158066 + ... + 165483.

It is an arithmetic number, because the mean of its divisors is an integer number (300092625).

Almost surely, 2^1200043241 is an apocalyptic number.

It is an amenable number.

1200043241 is a deficient number, since it is larger than the sum of its proper divisors (327259).

1200043241 is an equidigital number, since it uses as much as digits as its factorization.

1200043241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327258.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1200043241 is about 34641.6402758299. The cubic root of 1200043241 is about 1062.6713330346.

Adding to 1200043241 its reverse (1423400021), we get a palindrome (2623443262).

The spelling of 1200043241 in words is "one billion, two hundred million, forty-three thousand, two hundred forty-one".