1420201361 has 2 divisors, whose sum is σ = 1420201362. Its totient is φ = 1420201360.

The previous prime is 1420201351. The next prime is 1420201373. The reversal of 1420201361 is 1631020241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980879761 + 439321600 = 31319^2 + 20960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420201361 - 2²⁶ = 1353092497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1420201351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710100680 + 710100681.

It is an arithmetic number, because the mean of its divisors is an integer number (710100681).

Almost surely, 2^1420201361 is an apocalyptic number.

It is an amenable number.

1420201361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420201361 is an equidigital number, since it uses as much as digits as its factorization.

1420201361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1420201361 is about 37685.5590511803. The cubic root of 1420201361 is about 1124.0439907239.

The spelling of 1420201361 in words is "one billion, four hundred twenty million, two hundred one thousand, three hundred sixty-one".