1101142379 has 2 divisors, whose sum is σ = 1101142380. Its totient is φ = 1101142378.

The previous prime is 1101142331. The next prime is 1101142403. The reversal of 1101142379 is 9732411011.

It is a strong prime.

It is an emirp because it is prime and its reverse (9732411011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101142379 - 2²⁰ = 1100093803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101142079) by changing a digit.

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 as a sum of consecutive naturals, namely, 550571189 + 550571190.

It is an arithmetic number, because the mean of its divisors is an integer number (550571190).

Almost surely, 2^1101142379 is an apocalyptic number.

1101142379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101142379 is an equidigital number, since it uses as much as digits as its factorization.

1101142379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1101142379 is about 33183.4654459115. The cubic root of 1101142379 is about 1032.6373418601.

The spelling of 1101142379 in words is "one billion, one hundred one million, one hundred forty-two thousand, three hundred seventy-nine".