1032403121 has 2 divisors, whose sum is σ = 1032403122. Its totient is φ = 1032403120.

The previous prime is 1032403087. The next prime is 1032403123. The reversal of 1032403121 is 1213042301.

1032403121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672883600 + 359519521 = 25940^2 + 18961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032403121 - 2¹⁰ = 1032402097 is a prime.

Together with 1032403123, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1032403121.

It is not a weakly prime, because it can be changed into another prime (1032403123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516201560 + 516201561.

It is an arithmetic number, because the mean of its divisors is an integer number (516201561).

Almost surely, 2^1032403121 is an apocalyptic number.

It is an amenable number.

1032403121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032403121 is an equidigital number, since it uses as much as digits as its factorization.

1032403121 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1032403121 is about 32131.0305001256. The cubic root of 1032403121 is about 1010.6864336723.

Adding to 1032403121 its reverse (1213042301), we get a palindrome (2245445422).

The spelling of 1032403121 in words is "one billion, thirty-two million, four hundred three thousand, one hundred twenty-one".