1353040121 has 2 divisors, whose sum is σ = 1353040122. Its totient is φ = 1353040120.

The previous prime is 1353040111. The next prime is 1353040151. The reversal of 1353040121 is 1210403531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1344248896 + 8791225 = 36664^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353040121 - 2¹⁰ = 1353039097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1353040093 and 1353040102.

It is not a weakly prime, because it can be changed into another prime (1353040111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676520060 + 676520061.

It is an arithmetic number, because the mean of its divisors is an integer number (676520061).

Almost surely, 2^1353040121 is an apocalyptic number.

It is an amenable number.

1353040121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353040121 is an equidigital number, since it uses as much as digits as its factorization.

1353040121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1353040121 is about 36783.6936834788. The cubic root of 1353040121 is about 1106.0384499515.

Adding to 1353040121 its reverse (1210403531), we get a palindrome (2563443652).

The spelling of 1353040121 in words is "one billion, three hundred fifty-three million, forty thousand, one hundred twenty-one".