1020140707 has 2 divisors, whose sum is σ = 1020140708. Its totient is φ = 1020140706.

The previous prime is 1020140699. The next prime is 1020140711. The reversal of 1020140707 is 7070410201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7070410201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020140707 - 2³ = 1020140699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020140507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510070353 + 510070354.

It is an arithmetic number, because the mean of its divisors is an integer number (510070354).

Almost surely, 2^1020140707 is an apocalyptic number.

1020140707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020140707 is an equidigital number, since it uses as much as digits as its factorization.

1020140707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1020140707 is about 31939.6416229112. The cubic root of 1020140707 is about 1006.6689946415.

Adding to 1020140707 its reverse (7070410201), we get a palindrome (8090550908).

The spelling of 1020140707 in words is "one billion, twenty million, one hundred forty thousand, seven hundred seven".