1121141005 has 8 divisors (see below), whose sum is σ = 1349697024. Its totient is φ = 894027600.

The previous prime is 1121140997. The next prime is 1121141027. The reversal of 1121141005 is 5001411211.

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

It is not a de Polignac number, because 1121141005 - 2³ = 1121140997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121141005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358941 + ... + 362050.

It is an arithmetic number, because the mean of its divisors is an integer number (168712128).

Almost surely, 2^1121141005 is an apocalyptic number.

It is an amenable number.

1121141005 is a deficient number, since it is larger than the sum of its proper divisors (228556019).

1121141005 is an equidigital number, since it uses as much as digits as its factorization.

1121141005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721307.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1121141005 is about 33483.4437446330. The cubic root of 1121141005 is about 1038.8513591170.

Adding to 1121141005 its reverse (5001411211), we get a palindrome (6122552216).

The spelling of 1121141005 in words is "one billion, one hundred twenty-one million, one hundred forty-one thousand, five".