1020634051 has 2 divisors, whose sum is σ = 1020634052. Its totient is φ = 1020634050.

The previous prime is 1020634031. The next prime is 1020634063. The reversal of 1020634051 is 1504360201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020634051 - 2⁵ = 1020634019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020634031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510317025 + 510317026.

It is an arithmetic number, because the mean of its divisors is an integer number (510317026).

Almost surely, 2^1020634051 is an apocalyptic number.

1020634051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020634051 is an equidigital number, since it uses as much as digits as its factorization.

1020634051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1020634051 is about 31947.3637566545. The cubic root of 1020634051 is about 1006.8312448320.

Adding to 1020634051 its reverse (1504360201), we get a palindrome (2524994252).

The spelling of 1020634051 in words is "one billion, twenty million, six hundred thirty-four thousand, fifty-one".