1383009732121 has 2 divisors, whose sum is σ = 1383009732122. Its totient is φ = 1383009732120.

The previous prime is 1383009732079. The next prime is 1383009732163. The reversal of 1383009732121 is 1212379003831.

It is a balanced prime because it is at equal distance from previous prime (1383009732079) and next prime (1383009732163).

It can be written as a sum of positive squares in only one way, i.e., 1380481653721 + 2528078400 = 1174939^2 + 50280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383009732121 - 2⁷ = 1383009731993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1383009732821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691504866060 + 691504866061.

It is an arithmetic number, because the mean of its divisors is an integer number (691504866061).

Almost surely, 2^{1383009732121} is an apocalyptic number.

It is an amenable number.

1383009732121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383009732121 is an equidigital number, since it uses as much as digits as its factorization.

1383009732121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 1383009732121 in words is "one trillion, three hundred eighty-three billion, nine million, seven hundred thirty-two thousand, one hundred twenty-one".