1097433143 has 4 divisors (see below), whose sum is σ = 1122954888. Its totient is φ = 1071911400.

The previous prime is 1097433131. The next prime is 1097433187. The reversal of 1097433143 is 3413347901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413347901 = 5923 ⋅576287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1097433143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097433343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12760808 + ... + 12760893.

It is an arithmetic number, because the mean of its divisors is an integer number (280738722).

Almost surely, 2^1097433143 is an apocalyptic number.

1097433143 is a deficient number, since it is larger than the sum of its proper divisors (25521745).

1097433143 is an equidigital number, since it uses as much as digits as its factorization.

1097433143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25521744.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1097433143 is about 33127.5284770838. The cubic root of 1097433143 is about 1031.4765460142.

The spelling of 1097433143 in words is "one billion, ninety-seven million, four hundred thirty-three thousand, one hundred forty-three".