1124378947 has 2 divisors, whose sum is σ = 1124378948. Its totient is φ = 1124378946.

The previous prime is 1124378939. The next prime is 1124378953. The reversal of 1124378947 is 7498734211.

It is a strong prime.

It is an emirp because it is prime and its reverse (7498734211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1124378947 - 2³ = 1124378939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1124378897 and 1124378906.

It is not a weakly prime, because it can be changed into another prime (1124378987) 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, 562189473 + 562189474.

It is an arithmetic number, because the mean of its divisors is an integer number (562189474).

Almost surely, 2^1124378947 is an apocalyptic number.

1124378947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124378947 is an equidigital number, since it uses as much as digits as its factorization.

1124378947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 1124378947 is about 33531.7602729114. The cubic root of 1124378947 is about 1039.8504922532.

The spelling of 1124378947 in words is "one billion, one hundred twenty-four million, three hundred seventy-eight thousand, nine hundred forty-seven".