1352111143 has 8 divisors (see below), whose sum is σ = 1437520608. Its totient is φ = 1268920224.

The previous prime is 1352111107. The next prime is 1352111203. The reversal of 1352111143 is 3411112531.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352111143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352115143) 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, 553380 + ... + 555817.

It is an arithmetic number, because the mean of its divisors is an integer number (179690076).

Almost surely, 2^1352111143 is an apocalyptic number.

1352111143 is a deficient number, since it is larger than the sum of its proper divisors (85409465).

1352111143 is a wasteful number, since it uses less digits than its factorization.

1352111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109273.

The product of its digits is 360, while the sum is 22.

The square root of 1352111143 is about 36771.0639361985. The cubic root of 1352111143 is about 1105.7852619361.

Adding to 1352111143 its reverse (3411112531), we get a palindrome (4763223674).

The spelling of 1352111143 in words is "one billion, three hundred fifty-two million, one hundred eleven thousand, one hundred forty-three".