1002421051 has 2 divisors, whose sum is σ = 1002421052. Its totient is φ = 1002421050.

The previous prime is 1002421009. The next prime is 1002421067. The reversal of 1002421051 is 1501242001.

It is an a-pointer prime, because the next prime (1002421067) can be obtained adding 1002421051 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002421051 - 2¹⁷ = 1002289979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002421001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501210525 + 501210526.

It is an arithmetic number, because the mean of its divisors is an integer number (501210526).

Almost surely, 2^1002421051 is an apocalyptic number.

1002421051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002421051 is an equidigital number, since it uses as much as digits as its factorization.

1002421051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1002421051 is about 31661.0336375804. The cubic root of 1002421051 is about 1000.8063665981.

Adding to 1002421051 its reverse (1501242001), we get a palindrome (2503663052).

The spelling of 1002421051 in words is "one billion, two million, four hundred twenty-one thousand, fifty-one".