1021498140907 has 2 divisors, whose sum is σ = 1021498140908. Its totient is φ = 1021498140906.

The previous prime is 1021498140899. The next prime is 1021498140991. The reversal of 1021498140907 is 7090418941201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021498140907 - 2³ = 1021498140899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021498149907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510749070453 + 510749070454.

It is an arithmetic number, because the mean of its divisors is an integer number (510749070454).

Almost surely, 2^{1021498140907} is an apocalyptic number.

1021498140907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021498140907 is an equidigital number, since it uses as much as digits as its factorization.

1021498140907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 1021498140907 in words is "one trillion, twenty-one billion, four hundred ninety-eight million, one hundred forty thousand, nine hundred seven".