1201043201 has 4 divisors (see below), whose sum is σ = 1201680900. Its totient is φ = 1200405504.

The previous prime is 1201043177. The next prime is 1201043297. The reversal of 1201043201 is 1023401021.

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 602751601 + 598291600 = 24551^2 + 24460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201043201 - 2²² = 1196848897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201043401) 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, 316016 + ... + 319793.

It is an arithmetic number, because the mean of its divisors is an integer number (300420225).

Almost surely, 2^1201043201 is an apocalyptic number.

It is an amenable number.

1201043201 is a deficient number, since it is larger than the sum of its proper divisors (637699).

1201043201 is an equidigital number, since it uses as much as digits as its factorization.

1201043201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637698.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1201043201 is about 34656.0701897950. The cubic root of 1201043201 is about 1062.9664151267.

Adding to 1201043201 its reverse (1023401021), we get a palindrome (2224444222).

The spelling of 1201043201 in words is "one billion, two hundred one million, forty-three thousand, two hundred one".