1125124343 has 4 divisors (see below), whose sum is σ = 1285856400. Its totient is φ = 964392288.

The previous prime is 1125124307. The next prime is 1125124381. The reversal of 1125124343 is 3434215211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1125124343 - 2¹⁴ = 1125107959 is a prime.

It is a super-2 number, since 2×1125124343² = 2531809574422363298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125124043) 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, 80366018 + ... + 80366031.

It is an arithmetic number, because the mean of its divisors is an integer number (321464100).

Almost surely, 2^1125124343 is an apocalyptic number.

1125124343 is a deficient number, since it is larger than the sum of its proper divisors (160732057).

1125124343 is an equidigital number, since it uses as much as digits as its factorization.

1125124343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160732056.

The product of its digits is 2880, while the sum is 26.

The square root of 1125124343 is about 33542.8732072850. The cubic root of 1125124343 is about 1040.0802277236.

Adding to 1125124343 its reverse (3434215211), we get a palindrome (4559339554).

The spelling of 1125124343 in words is "one billion, one hundred twenty-five million, one hundred twenty-four thousand, three hundred forty-three".