1020051407 has 2 divisors, whose sum is σ = 1020051408. Its totient is φ = 1020051406.

The previous prime is 1020051379. The next prime is 1020051433. The reversal of 1020051407 is 7041500201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020051407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020051607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510025703 + 510025704.

It is an arithmetic number, because the mean of its divisors is an integer number (510025704).

Almost surely, 2^1020051407 is an apocalyptic number.

1020051407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020051407 is an equidigital number, since it uses as much as digits as its factorization.

1020051407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1020051407 is about 31938.2436430058. The cubic root of 1020051407 is about 1006.6396202086.

Adding to 1020051407 its reverse (7041500201), we get a palindrome (8061551608).

The spelling of 1020051407 in words is "one billion, twenty million, fifty-one thousand, four hundred seven".