1020441159 has 20 divisors (see below), whose sum is σ = 1541501280. Its totient is φ = 672645600.

The previous prime is 1020441139. The next prime is 1020441173. The reversal of 1020441159 is 9511440201.

It is not a de Polignac number, because 1020441159 - 2¹⁶ = 1020375623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020441109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63567 + ... + 77984.

It is an arithmetic number, because the mean of its divisors is an integer number (77075064).

Almost surely, 2^1020441159 is an apocalyptic number.

1020441159 is a deficient number, since it is larger than the sum of its proper divisors (521060121).

1020441159 is an equidigital number, since it uses as much as digits as its factorization.

1020441159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141652 (or 141643 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1020441159 is about 31944.3447107622. The cubic root of 1020441159 is about 1006.7678130439.

The spelling of 1020441159 in words is "one billion, twenty million, four hundred forty-one thousand, one hundred fifty-nine".