1141243239 has 8 divisors (see below), whose sum is σ = 1522226160. Its totient is φ = 760544576.

The previous prime is 1141243211. The next prime is 1141243253. The reversal of 1141243239 is 9323421411.

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

It is a cyclic number.

It is not a de Polignac number, because 1141243239 - 2⁸ = 1141242983 is a prime.

It is a super-2 number, since 2×1141243239² = 2604872261126422242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141243039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61512 + ... + 77885.

It is an arithmetic number, because the mean of its divisors is an integer number (190278270).

Almost surely, 2^1141243239 is an apocalyptic number.

1141243239 is a deficient number, since it is larger than the sum of its proper divisors (380982921).

1141243239 is a wasteful number, since it uses less digits than its factorization.

1141243239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142129.

The product of its digits is 5184, while the sum is 30.

The square root of 1141243239 is about 33782.2917961467. The cubic root of 1141243239 is about 1045.0235380030.

The spelling of 1141243239 in words is "one billion, one hundred forty-one million, two hundred forty-three thousand, two hundred thirty-nine".