1420402201 has 2 divisors, whose sum is σ = 1420402202. Its totient is φ = 1420402200.

The previous prime is 1420402189. The next prime is 1420402229. The reversal of 1420402201 is 1022040241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097265625 + 323136576 = 33125^2 + 17976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420402201 - 2¹⁹ = 1419877913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420402231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710201100 + 710201101.

It is an arithmetic number, because the mean of its divisors is an integer number (710201101).

Almost surely, 2^1420402201 is an apocalyptic number.

It is an amenable number.

1420402201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420402201 is an equidigital number, since it uses as much as digits as its factorization.

1420402201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1420402201 is about 37688.2236381605. The cubic root of 1420402201 is about 1124.0969743736.

Adding to 1420402201 its reverse (1022040241), we get a palindrome (2442442442).

The spelling of 1420402201 in words is "one billion, four hundred twenty million, four hundred two thousand, two hundred one".