1152122343 has 4 divisors (see below), whose sum is σ = 1536163128. Its totient is φ = 768081560.

The previous prime is 1152122341. The next prime is 1152122357. The reversal of 1152122343 is 3432212511.

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 1152122343 - 2¹ = 1152122341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152122341) 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, 192020388 + ... + 192020393.

It is an arithmetic number, because the mean of its divisors is an integer number (384040782).

Almost surely, 2^1152122343 is an apocalyptic number.

1152122343 is a deficient number, since it is larger than the sum of its proper divisors (384040785).

1152122343 is an equidigital number, since it uses as much as digits as its factorization.

1152122343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384040784.

The product of its digits is 1440, while the sum is 24.

The square root of 1152122343 is about 33942.9277317087. The cubic root of 1152122343 is about 1048.3336662501. Note that the first 3 decimals are identical.

Adding to 1152122343 its reverse (3432212511), we get a palindrome (4584334854).

The spelling of 1152122343 in words is "one billion, one hundred fifty-two million, one hundred twenty-two thousand, three hundred forty-three".