141020989 has 2 divisors, whose sum is σ = 141020990. Its totient is φ = 141020988.

The previous prime is 141020987. The next prime is 141021007. The reversal of 141020989 is 989020141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96864964 + 44156025 = 9842^2 + 6645^2 .

It is a cyclic number.

It is not a de Polignac number, because 141020989 - 2¹ = 141020987 is a prime.

Together with 141020987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141020987) 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, 70510494 + 70510495.

It is an arithmetic number, because the mean of its divisors is an integer number (70510495).

Almost surely, 2^141020989 is an apocalyptic number.

It is an amenable number.

141020989 is a deficient number, since it is larger than the sum of its proper divisors (1).

141020989 is an equidigital number, since it uses as much as digits as its factorization.

141020989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 141020989 is about 11875.2258504839. The cubic root of 141020989 is about 520.5086110940.

The spelling of 141020989 in words is "one hundred forty-one million, twenty thousand, nine hundred eighty-nine".