1141020841 has 9 divisors (see below), whose sum is σ = 1212698199. Its totient is φ = 1073361504.

The previous prime is 1141020767. The next prime is 1141020847. The reversal of 1141020841 is 1480201411.

The square root of 1141020841 is 33779.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 888338025 + 252682816 = 29805^2 + 15896^2 .

It is not a de Polignac number, because 1141020841 - 2²¹ = 1138923689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141020847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 573250 + ... + 575236.

Almost surely, 2^1141020841 is an apocalyptic number.

1141020841 is the 33779-th square number.

1141020841 is the 16890-th centered octagonal number.

It is an amenable number.

1141020841 is a deficient number, since it is larger than the sum of its proper divisors (71677358).

1141020841 is an frugal number, since it uses more digits than its factorization.

1141020841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The cubic root of 1141020841 is about 1044.9556511478.

Multiplying 1141020841 by its product of nonzero digits (256), we get a square (292101335296 = 540464²).

The spelling of 1141020841 in words is "one billion, one hundred forty-one million, twenty thousand, eight hundred forty-one".