1125564343 has 2 divisors, whose sum is σ = 1125564344. Its totient is φ = 1125564342.

The previous prime is 1125564329. The next prime is 1125564347. The reversal of 1125564343 is 3434655211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125564343 - 2²⁵ = 1092009911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125564299 and 1125564308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125564347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562782171 + 562782172.

It is an arithmetic number, because the mean of its divisors is an integer number (562782172).

Almost surely, 2^1125564343 is an apocalyptic number.

1125564343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125564343 is an equidigital number, since it uses as much as digits as its factorization.

1125564343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 1125564343 is about 33549.4313364623. The cubic root of 1125564343 is about 1040.2157907129.

The spelling of 1125564343 in words is "one billion, one hundred twenty-five million, five hundred sixty-four thousand, three hundred forty-three".