125334032243 has 4 divisors (see below), whose sum is σ = 143238894000. Its totient is φ = 107429170488.

The previous prime is 125334032221. The next prime is 125334032251. The reversal of 125334032243 is 342230433521.

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 125334032243 - 2¹⁶ = 125333966707 is a prime.

It is a super-2 number, since 2×125334032243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125334032203) 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, 8952430868 + ... + 8952430881.

It is an arithmetic number, because the mean of its divisors is an integer number (35809723500).

Almost surely, 2^125334032243 is an apocalyptic number.

125334032243 is a deficient number, since it is larger than the sum of its proper divisors (17904861757).

125334032243 is an equidigital number, since it uses as much as digits as its factorization.

125334032243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17904861756.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 125334032243 its reverse (342230433521), we get a palindrome (467564465764).

The spelling of 125334032243 in words is "one hundred twenty-five billion, three hundred thirty-four million, thirty-two thousand, two hundred forty-three".