1420407245 has 8 divisors (see below), whose sum is σ = 1750556184. Its totient is φ = 1105614144.

The previous prime is 1420407221. The next prime is 1420407253. The reversal of 1420407245 is 5427040241.

It can be written as a sum of positive squares in 4 ways, for example, as 812193001 + 608214244 = 28499^2 + 24662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420407245 - 2¹⁴ = 1420390861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3838754 + ... + 3839123.

It is an arithmetic number, because the mean of its divisors is an integer number (218819523).

Almost surely, 2^1420407245 is an apocalyptic number.

It is an amenable number.

1420407245 is a deficient number, since it is larger than the sum of its proper divisors (330148939).

1420407245 is an equidigital number, since it uses as much as digits as its factorization.

1420407245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677919.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 1420407245 is about 37688.2905555558. The cubic root of 1420407245 is about 1124.0983049682.

Adding to 1420407245 its reverse (5427040241), we get a palindrome (6847447486).

The spelling of 1420407245 in words is "one billion, four hundred twenty million, four hundred seven thousand, two hundred forty-five".