1141821605 has 8 divisors (see below), whose sum is σ = 1414385664. Its totient is φ = 883990800.

The previous prime is 1141821563. The next prime is 1141821679. The reversal of 1141821605 is 5061281411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1141821605 - 2²⁸ = 873386149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683141 + ... + 3683450.

It is an arithmetic number, because the mean of its divisors is an integer number (176798208).

Almost surely, 2^1141821605 is an apocalyptic number.

It is an amenable number.

1141821605 is a deficient number, since it is larger than the sum of its proper divisors (272564059).

1141821605 is an equidigital number, since it uses as much as digits as its factorization.

1141821605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366627.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1141821605 is about 33790.8509067173. The cubic root of 1141821605 is about 1045.2000425932.

The spelling of 1141821605 in words is "one billion, one hundred forty-one million, eight hundred twenty-one thousand, six hundred five".