1200401201 has 4 divisors (see below), whose sum is σ = 1228317552. Its totient is φ = 1172484852.

The previous prime is 1200401159. The next prime is 1200401203. The reversal of 1200401201 is 1021040021.

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-1200401201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1200401203) 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, 13958111 + ... + 13958196.

It is an arithmetic number, because the mean of its divisors is an integer number (307079388).

Almost surely, 2^1200401201 is an apocalyptic number.

It is an amenable number.

1200401201 is a deficient number, since it is larger than the sum of its proper divisors (27916351).

1200401201 is an equidigital number, since it uses as much as digits as its factorization.

1200401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27916350.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1200401201 is about 34646.8065050735. The cubic root of 1200401201 is about 1062.7769836760.

Adding to 1200401201 its reverse (1021040021), we get a palindrome (2221441222).

The spelling of 1200401201 in words is "one billion, two hundred million, four hundred one thousand, two hundred one".