1020344417 has 2 divisors, whose sum is σ = 1020344418. Its totient is φ = 1020344416.

The previous prime is 1020344399. The next prime is 1020344431. The reversal of 1020344417 is 7144430201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 744252961 + 276091456 = 27281^2 + 16616^2 .

It is an emirp because it is prime and its reverse (7144430201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020344417 is a prime.

It is a super-2 number, since 2×1020344417² = 2082205458606139778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020344917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510172208 + 510172209.

It is an arithmetic number, because the mean of its divisors is an integer number (510172209).

Almost surely, 2^1020344417 is an apocalyptic number.

It is an amenable number.

1020344417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020344417 is an equidigital number, since it uses as much as digits as its factorization.

1020344417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1020344417 is about 31942.8304475355. The cubic root of 1020344417 is about 1006.7359968015.

Adding to 1020344417 its reverse (7144430201), we get a palindrome (8164774618).

The spelling of 1020344417 in words is "one billion, twenty million, three hundred forty-four thousand, four hundred seventeen".