1020419297 has 2 divisors, whose sum is σ = 1020419298. Its totient is φ = 1020419296.

The previous prime is 1020419293. The next prime is 1020419327. The reversal of 1020419297 is 7929140201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1007681536 + 12737761 = 31744^2 + 3569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020419297 - 2² = 1020419293 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020419291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510209648 + 510209649.

It is an arithmetic number, because the mean of its divisors is an integer number (510209649).

Almost surely, 2^1020419297 is an apocalyptic number.

It is an amenable number.

1020419297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020419297 is an equidigital number, since it uses as much as digits as its factorization.

1020419297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1020419297 is about 31944.0025200350. The cubic root of 1020419297 is about 1006.7606233054.

Adding to 1020419297 its reverse (7929140201), we get a palindrome (8949559498).

The spelling of 1020419297 in words is "one billion, twenty million, four hundred nineteen thousand, two hundred ninety-seven".