1141020585 has 48 divisors (see below), whose sum is σ = 2085807360. Its totient is φ = 575424000.

The previous prime is 1141020583. The next prime is 1141020589. The reversal of 1141020585 is 5850201411.

It is not a de Polignac number, because 1141020585 - 2¹ = 1141020583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1141020581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 641217 + ... + 642993.

It is an arithmetic number, because the mean of its divisors is an integer number (43454320).

Almost surely, 2^1141020585 is an apocalyptic number.

1141020585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141020585 is a deficient number, since it is larger than the sum of its proper divisors (944786775).

1141020585 is a wasteful number, since it uses less digits than its factorization.

1141020585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 1141020585 is about 33778.9962106632. The cubic root of 1141020585 is about 1044.9555729989.

Adding to 1141020585 its reverse (5850201411), we get a palindrome (6991221996).

The spelling of 1141020585 in words is "one billion, one hundred forty-one million, twenty thousand, five hundred eighty-five".