1141724279 has 4 divisors (see below), whose sum is σ = 1144785576. Its totient is φ = 1138662984.

The previous prime is 1141724273. The next prime is 1141724317. The reversal of 1141724279 is 9724271411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9724271411 = 9421 ⋅1032191.

It is a cyclic number.

It is not a de Polignac number, because 1141724279 - 2¹² = 1141720183 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 (1141724273) 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, 1530089 + ... + 1530834.

It is an arithmetic number, because the mean of its divisors is an integer number (286196394).

Almost surely, 2^1141724279 is an apocalyptic number.

1141724279 is a deficient number, since it is larger than the sum of its proper divisors (3061297).

1141724279 is an equidigital number, since it uses as much as digits as its factorization.

1141724279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061296.

The product of its digits is 28224, while the sum is 38.

The square root of 1141724279 is about 33789.4107524828. The cubic root of 1141724279 is about 1045.1703450090.

The spelling of 1141724279 in words is "one billion, one hundred forty-one million, seven hundred twenty-four thousand, two hundred seventy-nine".