1141279705 has 8 divisors (see below), whose sum is σ = 1370034432. Its totient is φ = 912691248.

The previous prime is 1141279679. The next prime is 1141279747. The reversal of 1141279705 is 5079721411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141279705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25929 + ... + 54358.

It is an arithmetic number, because the mean of its divisors is an integer number (171254304).

Almost surely, 2^1141279705 is an apocalyptic number.

It is an amenable number.

1141279705 is a deficient number, since it is larger than the sum of its proper divisors (228754727).

1141279705 is an equidigital number, since it uses as much as digits as its factorization.

1141279705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83135.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 1141279705 is about 33782.8315124709. The cubic root of 1141279705 is about 1045.0346683858.

The spelling of 1141279705 in words is "one billion, one hundred forty-one million, two hundred seventy-nine thousand, seven hundred five".