1141590081 has 4 divisors (see below), whose sum is σ = 1522120112. Its totient is φ = 761060052.

The previous prime is 1141590077. The next prime is 1141590083. The reversal of 1141590081 is 1800951411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1141590081 - 2² = 1141590077 is a prime.

It is a super-2 number, since 2×1141590081² = 2606455826075173122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141590083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190265011 + ... + 190265016.

It is an arithmetic number, because the mean of its divisors is an integer number (380530028).

Almost surely, 2^1141590081 is an apocalyptic number.

It is an amenable number.

1141590081 is a deficient number, since it is larger than the sum of its proper divisors (380530031).

1141590081 is an equidigital number, since it uses as much as digits as its factorization.

1141590081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380530030.

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 1141590081 is about 33787.4248944781. The cubic root of 1141590081 is about 1045.1293937133.

The spelling of 1141590081 in words is "one billion, one hundred forty-one million, five hundred ninety thousand, eighty-one".