1141582091 has 16 divisors (see below), whose sum is σ = 1267902720. Its totient is φ = 1021268640.

The previous prime is 1141582087. The next prime is 1141582133. The reversal of 1141582091 is 1902851411.

It is a cyclic number.

It is not a de Polignac number, because 1141582091 - 2² = 1141582087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141582031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43976 + ... + 64938.

It is an arithmetic number, because the mean of its divisors is an integer number (79243920).

Almost surely, 2^1141582091 is an apocalyptic number.

1141582091 is a deficient number, since it is larger than the sum of its proper divisors (126320629).

1141582091 is a wasteful number, since it uses less digits than its factorization.

1141582091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1141582091 is about 33787.3066550147. The cubic root of 1141582091 is about 1045.1269554174.

The spelling of 1141582091 in words is "one billion, one hundred forty-one million, five hundred eighty-two thousand, ninety-one".