125408690343 has 8 divisors (see below), whose sum is σ = 185790652400. Its totient is φ = 83605793544.

The previous prime is 125408690333. The next prime is 125408690369. The reversal of 125408690343 is 343096804521.

125408690343 is a `hidden beast` number, since 1 + 2 + 540 + 8 + 69 + 0 + 3 + 43 = 666.

It is not a de Polignac number, because 125408690343 - 2⁴ = 125408690327 is a prime.

It is a super-3 number, since 3×125408690343³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125408690333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322383128 + ... + 2322383181.

It is an arithmetic number, because the mean of its divisors is an integer number (23223831550).

Almost surely, 2^125408690343 is an apocalyptic number.

125408690343 is a deficient number, since it is larger than the sum of its proper divisors (60381962057).

125408690343 is an equidigital number, since it uses as much as digits as its factorization.

125408690343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644766318 (or 4644766312 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 125408690343 in words is "one hundred twenty-five billion, four hundred eight million, six hundred ninety thousand, three hundred forty-three".