125402430343 has 4 divisors (see below), whose sum is σ = 125403184000. Its totient is φ = 125401676688.

The previous prime is 125402430331. The next prime is 125402430353. The reversal of 125402430343 is 343034204521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125402430343 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 (125402430353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830 + ... + 500827.

It is an arithmetic number, because the mean of its divisors is an integer number (31350796000).

Almost surely, 2^125402430343 is an apocalyptic number.

125402430343 is a deficient number, since it is larger than the sum of its proper divisors (753657).

125402430343 is an equidigital number, since it uses as much as digits as its factorization.

125402430343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753656.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 125402430343 its reverse (343034204521), we get a palindrome (468436634864).

The spelling of 125402430343 in words is "one hundred twenty-five billion, four hundred two million, four hundred thirty thousand, three hundred forty-three".