1020132121 has 2 divisors, whose sum is σ = 1020132122. Its totient is φ = 1020132120.

The previous prime is 1020132083. The next prime is 1020132131. The reversal of 1020132121 is 1212310201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020099721 + 32400 = 31939^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020132121 - 2⁷ = 1020131993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020132131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510066060 + 510066061.

It is an arithmetic number, because the mean of its divisors is an integer number (510066061).

Almost surely, 2^1020132121 is an apocalyptic number.

It is an amenable number.

1020132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020132121 is an equidigital number, since it uses as much as digits as its factorization.

1020132121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1020132121 is about 31939.5072128547. The cubic root of 1020132121 is about 1006.6661704284. Note that the first 3 decimals are identical.

Adding to 1020132121 its reverse (1212310201), we get a palindrome (2232442322).

The spelling of 1020132121 in words is "one billion, twenty million, one hundred thirty-two thousand, one hundred twenty-one".