1141858291 has 4 divisors (see below), whose sum is σ = 1304980912. Its totient is φ = 978735672.

The previous prime is 1141858283. The next prime is 1141858321. The reversal of 1141858291 is 1928581411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141858291 - 2³ = 1141858283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141858271) 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, 81561300 + ... + 81561313.

It is an arithmetic number, because the mean of its divisors is an integer number (326245228).

Almost surely, 2^1141858291 is an apocalyptic number.

1141858291 is a deficient number, since it is larger than the sum of its proper divisors (163122621).

1141858291 is an equidigital number, since it uses as much as digits as its factorization.

1141858291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163122620.

The product of its digits is 23040, while the sum is 40.

The square root of 1141858291 is about 33791.3937416023. The cubic root of 1141858291 is about 1045.2112363436.

The spelling of 1141858291 in words is "one billion, one hundred forty-one million, eight hundred fifty-eight thousand, two hundred ninety-one".