1355125143 has 8 divisors (see below), whose sum is σ = 1807010800. Its totient is φ = 903328128.

The previous prime is 1355125117. The next prime is 1355125151. The reversal of 1355125143 is 3415215531.

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

It is not a de Polignac number, because 1355125143 - 2¹⁴ = 1355108759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1355125143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355125243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33453 + ... + 61881.

It is an arithmetic number, because the mean of its divisors is an integer number (225876350).

Almost surely, 2^1355125143 is an apocalyptic number.

1355125143 is a deficient number, since it is larger than the sum of its proper divisors (451885657).

1355125143 is a wasteful number, since it uses less digits than its factorization.

1355125143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44321.

The product of its digits is 9000, while the sum is 30.

The square root of 1355125143 is about 36812.0244349587. The cubic root of 1355125143 is about 1106.6062899614.

The spelling of 1355125143 in words is "one billion, three hundred fifty-five million, one hundred twenty-five thousand, one hundred forty-three".