1043230121 has 2 divisors, whose sum is σ = 1043230122. Its totient is φ = 1043230120.

The previous prime is 1043230091. The next prime is 1043230127. The reversal of 1043230121 is 1210323401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604914025 + 438316096 = 24595^2 + 20936^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043230121 - 2⁶ = 1043230057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043230121.

It is not a weakly prime, because it can be changed into another prime (1043230127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521615060 + 521615061.

It is an arithmetic number, because the mean of its divisors is an integer number (521615061).

Almost surely, 2^1043230121 is an apocalyptic number.

It is an amenable number.

1043230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043230121 is an equidigital number, since it uses as much as digits as its factorization.

1043230121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1043230121 is about 32299.0730671950. The cubic root of 1043230121 is about 1014.2072388090.

Adding to 1043230121 its reverse (1210323401), we get a palindrome (2253553522).

The spelling of 1043230121 in words is "one billion, forty-three million, two hundred thirty thousand, one hundred twenty-one".