1420312417 has 2 divisors, whose sum is σ = 1420312418. Its totient is φ = 1420312416.

The previous prime is 1420312367. The next prime is 1420312427. The reversal of 1420312417 is 7142130241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1377226321 + 43086096 = 37111^2 + 6564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420312417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420312391 and 1420312400.

It is not a weakly prime, because it can be changed into another prime (1420312427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710156208 + 710156209.

It is an arithmetic number, because the mean of its divisors is an integer number (710156209).

Almost surely, 2^1420312417 is an apocalyptic number.

It is an amenable number.

1420312417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420312417 is an equidigital number, since it uses as much as digits as its factorization.

1420312417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1420312417 is about 37687.0324780288. The cubic root of 1420312417 is about 1124.0732890519.

Adding to 1420312417 its reverse (7142130241), we get a palindrome (8562442658).

The spelling of 1420312417 in words is "one billion, four hundred twenty million, three hundred twelve thousand, four hundred seventeen".