1420775063 has 2 divisors, whose sum is σ = 1420775064. Its totient is φ = 1420775062.

The previous prime is 1420775053. The next prime is 1420775071. The reversal of 1420775063 is 3605770241.

It is a strong prime.

It is an emirp because it is prime and its reverse (3605770241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420775063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420775033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710387531 + 710387532.

It is an arithmetic number, because the mean of its divisors is an integer number (710387532).

Almost surely, 2^1420775063 is an apocalyptic number.

1420775063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420775063 is an equidigital number, since it uses as much as digits as its factorization.

1420775063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1420775063 is about 37693.1699781273. The cubic root of 1420775063 is about 1124.1953259476.

The spelling of 1420775063 in words is "one billion, four hundred twenty million, seven hundred seventy-five thousand, sixty-three".