1010421497 has 2 divisors, whose sum is σ = 1010421498. Its totient is φ = 1010421496.

The previous prime is 1010421491. The next prime is 1010421547. The reversal of 1010421497 is 7941240101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584865856 + 425555641 = 24184^2 + 20629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010421497 - 2⁴ = 1010421481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010421491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505210748 + 505210749.

It is an arithmetic number, because the mean of its divisors is an integer number (505210749).

Almost surely, 2^1010421497 is an apocalyptic number.

It is an amenable number.

1010421497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010421497 is an equidigital number, since it uses as much as digits as its factorization.

1010421497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1010421497 is about 31787.1278507512. The cubic root of 1010421497 is about 1003.4618342080.

Adding to 1010421497 its reverse (7941240101), we get a palindrome (8951661598).

The spelling of 1010421497 in words is "one billion, ten million, four hundred twenty-one thousand, four hundred ninety-seven".