1243052201 has 8 divisors (see below), whose sum is σ = 1289632320. Its totient is φ = 1196719888.

The previous prime is 1243052197. The next prime is 1243052233. The reversal of 1243052201 is 1022503421.

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 1243052201 - 2² = 1243052197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1243052501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51701 + ... + 71826.

It is an arithmetic number, because the mean of its divisors is an integer number (161204040).

Almost surely, 2^1243052201 is an apocalyptic number.

It is an amenable number.

1243052201 is a deficient number, since it is larger than the sum of its proper divisors (46580119).

1243052201 is a wasteful number, since it uses less digits than its factorization.

1243052201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123903.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1243052201 is about 35256.9454292342. The cubic root of 1243052201 is about 1075.2178252664.

Adding to 1243052201 its reverse (1022503421), we get a palindrome (2265555622).

The spelling of 1243052201 in words is "one billion, two hundred forty-three million, fifty-two thousand, two hundred one".