1141307249 has 4 divisors (see below), whose sum is σ = 1141439040. Its totient is φ = 1141175460.

The previous prime is 1141307231. The next prime is 1141307273. The reversal of 1141307249 is 9427031411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9427031411 = 7 ⋅1346718773.

It is a cyclic number.

It is not a de Polignac number, because 1141307249 - 2⁸ = 1141306993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141307149) 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, 51917 + ... + 70554.

It is an arithmetic number, because the mean of its divisors is an integer number (285359760).

Almost surely, 2^1141307249 is an apocalyptic number.

It is an amenable number.

1141307249 is a deficient number, since it is larger than the sum of its proper divisors (131791).

1141307249 is an equidigital number, since it uses as much as digits as its factorization.

1141307249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131790.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1141307249 is about 33783.2391727022. The cubic root of 1141307249 is about 1045.0430753823.

The spelling of 1141307249 in words is "one billion, one hundred forty-one million, three hundred seven thousand, two hundred forty-nine".