1141311239 has 4 divisors (see below), whose sum is σ = 1143217200. Its totient is φ = 1139405280.

The previous prime is 1141311229. The next prime is 1141311251. The reversal of 1141311239 is 9321131411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9321131411 = 71 ⋅131283541.

It is a cyclic number.

It is not a de Polignac number, because 1141311239 - 2²⁰ = 1140262663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141311229) 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 3 ways as a sum of consecutive naturals, for example, 952082 + ... + 953279.

It is an arithmetic number, because the mean of its divisors is an integer number (285804300).

Almost surely, 2^1141311239 is an apocalyptic number.

1141311239 is a deficient number, since it is larger than the sum of its proper divisors (1905961).

1141311239 is an equidigital number, since it uses as much as digits as its factorization.

1141311239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905960.

The product of its digits is 648, while the sum is 26.

The square root of 1141311239 is about 33783.2982256025. The cubic root of 1141311239 is about 1045.0442932013.

The spelling of 1141311239 in words is "one billion, one hundred forty-one million, three hundred eleven thousand, two hundred thirty-nine".