1707130121 has 2 divisors, whose sum is σ = 1707130122. Its totient is φ = 1707130120.

The previous prime is 1707130111. The next prime is 1707130147. The reversal of 1707130121 is 1210317071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1594005625 + 113124496 = 39925^2 + 10636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1707130121 - 2¹⁸ = 1706867977 is a prime.

It is a super-3 number, since 3×1707130121³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1707130111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853565060 + 853565061.

It is an arithmetic number, because the mean of its divisors is an integer number (853565061).

Almost surely, 2^1707130121 is an apocalyptic number.

It is an amenable number.

1707130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1707130121 is an equidigital number, since it uses as much as digits as its factorization.

1707130121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 1707130121 is about 41317.4312004026. The cubic root of 1707130121 is about 1195.1494292109.

Adding to 1707130121 its reverse (1210317071), we get a palindrome (2917447192).

The spelling of 1707130121 in words is "one billion, seven hundred seven million, one hundred thirty thousand, one hundred twenty-one".