1400203201 has 4 divisors (see below), whose sum is σ = 1448486100. Its totient is φ = 1351920304.

The previous prime is 1400203199. The next prime is 1400203241. The reversal of 1400203201 is 1023020041.

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 862009600 + 538193601 = 29360^2 + 23199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400203201 - 2¹ = 1400203199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400203241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24141406 + ... + 24141463.

It is an arithmetic number, because the mean of its divisors is an integer number (362121525).

Almost surely, 2^1400203201 is an apocalyptic number.

It is an amenable number.

1400203201 is a deficient number, since it is larger than the sum of its proper divisors (48282899).

1400203201 is an equidigital number, since it uses as much as digits as its factorization.

1400203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48282898.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1400203201 is about 37419.2891567972. The cubic root of 1400203201 is about 1118.7430629658.

Adding to 1400203201 its reverse (1023020041), we get a palindrome (2423223242).

The spelling of 1400203201 in words is "one billion, four hundred million, two hundred three thousand, two hundred one".