1141121879 has 2 divisors, whose sum is σ = 1141121880. Its totient is φ = 1141121878.

The previous prime is 1141121843. The next prime is 1141121897. The reversal of 1141121879 is 9781211411.

It is a happy number.

Together with next prime (1141121897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141121879 - 2²⁰ = 1140073303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141121809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570560939 + 570560940.

It is an arithmetic number, because the mean of its divisors is an integer number (570560940).

Almost surely, 2^1141121879 is an apocalyptic number.

1141121879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141121879 is an equidigital number, since it uses as much as digits as its factorization.

1141121879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 35.

The square root of 1141121879 is about 33780.4955410663. The cubic root of 1141121879 is about 1044.9864940296.

The spelling of 1141121879 in words is "one billion, one hundred forty-one million, one hundred twenty-one thousand, eight hundred seventy-nine".