1420913017 has 2 divisors, whose sum is σ = 1420913018. Its totient is φ = 1420913016.

The previous prime is 1420913003. The next prime is 1420913041. The reversal of 1420913017 is 7103190241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731377936 + 689535081 = 27044^2 + 26259^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420913017 - 2¹⁹ = 1420388729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420913047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710456508 + 710456509.

It is an arithmetic number, because the mean of its divisors is an integer number (710456509).

Almost surely, 2^1420913017 is an apocalyptic number.

It is an amenable number.

1420913017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420913017 is an equidigital number, since it uses as much as digits as its factorization.

1420913017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1420913017 is about 37694.9998938851. Note that the first 3 decimals coincide. The cubic root of 1420913017 is about 1124.2317103660.

The spelling of 1420913017 in words is "one billion, four hundred twenty million, nine hundred thirteen thousand, seventeen".