1032420121 has 2 divisors, whose sum is σ = 1032420122. Its totient is φ = 1032420120.

The previous prime is 1032420107. The next prime is 1032420127. The reversal of 1032420121 is 1210242301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032015625 + 404496 = 32125^2 + 636^2 .

It is an emirp because it is prime and its reverse (1210242301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1032420121 - 2⁵ = 1032420089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1032420095 and 1032420104.

It is not a weakly prime, because it can be changed into another prime (1032420127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516210060 + 516210061.

It is an arithmetic number, because the mean of its divisors is an integer number (516210061).

Almost surely, 2^1032420121 is an apocalyptic number.

It is an amenable number.

1032420121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032420121 is an equidigital number, since it uses as much as digits as its factorization.

1032420121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1032420121 is about 32131.2950408165. The cubic root of 1032420121 is about 1010.6919811097.

Adding to 1032420121 its reverse (1210242301), we get a palindrome (2242662422).

The spelling of 1032420121 in words is "one billion, thirty-two million, four hundred twenty thousand, one hundred twenty-one".