1301032121 has 2 divisors, whose sum is σ = 1301032122. Its totient is φ = 1301032120.

The previous prime is 1301032097. The next prime is 1301032129. The reversal of 1301032121 is 1212301031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151923600 + 149108521 = 33940^2 + 12211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301032121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301032096 and 1301032105.

It is not a weakly prime, because it can be changed into another prime (1301032129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650516060 + 650516061.

It is an arithmetic number, because the mean of its divisors is an integer number (650516061).

Almost surely, 2^1301032121 is an apocalyptic number.

It is an amenable number.

1301032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301032121 is an equidigital number, since it uses as much as digits as its factorization.

1301032121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1301032121 is about 36069.8228578960. The cubic root of 1301032121 is about 1091.6816398648.

Adding to 1301032121 its reverse (1212301031), we get a palindrome (2513333152).

The spelling of 1301032121 in words is "one billion, three hundred one million, thirty-two thousand, one hundred twenty-one".