1025104117 has 2 divisors, whose sum is σ = 1025104118. Its totient is φ = 1025104116.

The previous prime is 1025104027. The next prime is 1025104127. The reversal of 1025104117 is 7114015201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001152881 + 23951236 = 31641^2 + 4894^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025104117 - 2²³ = 1016715509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025104127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512552058 + 512552059.

It is an arithmetic number, because the mean of its divisors is an integer number (512552059).

Almost surely, 2^1025104117 is an apocalyptic number.

It is an amenable number.

1025104117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025104117 is an equidigital number, since it uses as much as digits as its factorization.

1025104117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1025104117 is about 32017.2471802308. The cubic root of 1025104117 is about 1008.2989754809.

Adding to 1025104117 its reverse (7114015201), we get a palindrome (8139119318).

The spelling of 1025104117 in words is "one billion, twenty-five million, one hundred four thousand, one hundred seventeen".