1352121157 has 2 divisors, whose sum is σ = 1352121158. Its totient is φ = 1352121156.

The previous prime is 1352121151. The next prime is 1352121179. The reversal of 1352121157 is 7511212531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058135841 + 293985316 = 32529^2 + 17146^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352121157 - 2¹⁵ = 1352088389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352121151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676060578 + 676060579.

It is an arithmetic number, because the mean of its divisors is an integer number (676060579).

Almost surely, 2^1352121157 is an apocalyptic number.

It is an amenable number.

1352121157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352121157 is an equidigital number, since it uses as much as digits as its factorization.

1352121157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 28.

The square root of 1352121157 is about 36771.2001027978. The cubic root of 1352121157 is about 1105.7879918167.

Adding to 1352121157 its reverse (7511212531), we get a palindrome (8863333688).

The spelling of 1352121157 in words is "one billion, three hundred fifty-two million, one hundred twenty-one thousand, one hundred fifty-seven".