1430440201 has 4 divisors (see below), whose sum is σ = 1430830404. Its totient is φ = 1430050000.

The previous prime is 1430440199. The next prime is 1430440211. The reversal of 1430440201 is 1020440341.

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 182655225 + 1247784976 = 13515^2 + 35324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430440201 - 2¹ = 1430440199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430440211) 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, 189550 + ... + 196951.

It is an arithmetic number, because the mean of its divisors is an integer number (357707601).

Almost surely, 2^1430440201 is an apocalyptic number.

It is an amenable number.

1430440201 is a deficient number, since it is larger than the sum of its proper divisors (390203).

1430440201 is an equidigital number, since it uses as much as digits as its factorization.

1430440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390202.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1430440201 is about 37821.1607569096. The cubic root of 1430440201 is about 1126.7387633547.

Adding to 1430440201 its reverse (1020440341), we get a palindrome (2450880542).

The spelling of 1430440201 in words is "one billion, four hundred thirty million, four hundred forty thousand, two hundred one".