1355125443 has 8 divisors (see below), whose sum is σ = 2064953088. Its totient is φ = 774357384.

The previous prime is 1355125441. The next prime is 1355125507. The reversal of 1355125443 is 3445215531.

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

It is not a de Polignac number, because 1355125443 - 2¹ = 1355125441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355125441) 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 in 7 ways as a sum of consecutive naturals, for example, 32264871 + ... + 32264912.

It is an arithmetic number, because the mean of its divisors is an integer number (258119136).

Almost surely, 2^1355125443 is an apocalyptic number.

1355125443 is a deficient number, since it is larger than the sum of its proper divisors (709827645).

1355125443 is an equidigital number, since it uses as much as digits as its factorization.

1355125443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64529793.

The product of its digits is 36000, while the sum is 33.

The square root of 1355125443 is about 36812.0285097140. The cubic root of 1355125443 is about 1106.6063716222.

The spelling of 1355125443 in words is "one billion, three hundred fifty-five million, one hundred twenty-five thousand, four hundred forty-three".