125040814043 has 4 divisors (see below), whose sum is σ = 125049226008. Its totient is φ = 125032402080.

The previous prime is 125040814009. The next prime is 125040814103. The reversal of 125040814043 is 340418040521.

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 125040814043 - 2⁸ = 125040813787 is a prime.

It is a super-2 number, since 2×125040814043² (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 (125040814343) 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, 4183646 + ... + 4213427.

It is an arithmetic number, because the mean of its divisors is an integer number (31262306502).

Almost surely, 2^125040814043 is an apocalyptic number.

125040814043 is a deficient number, since it is larger than the sum of its proper divisors (8411965).

125040814043 is an equidigital number, since it uses as much as digits as its factorization.

125040814043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411964.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 125040814043 its reverse (340418040521), we get a palindrome (465458854564).

The spelling of 125040814043 in words is "one hundred twenty-five billion, forty million, eight hundred fourteen thousand, forty-three".