125800535 has 32 divisors (see below), whose sum is σ = 178381440. Its totient is φ = 83386368.

The previous prime is 125800523. The next prime is 125800537. The reversal of 125800535 is 535008521.

It is a cyclic number.

It is not a de Polignac number, because 125800535 - 2¹⁴ = 125784151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125800498 and 125800507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125800537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134951 + ... + 135879.

It is an arithmetic number, because the mean of its divisors is an integer number (5574420).

Almost surely, 2^125800535 is an apocalyptic number.

125800535 is a deficient number, since it is larger than the sum of its proper divisors (52580905).

125800535 is an equidigital number, since it uses as much as digits as its factorization.

125800535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 125800535 is about 11216.0837639525. The cubic root of 125800535 is about 501.0651094725.

The spelling of 125800535 in words is "one hundred twenty-five million, eight hundred thousand, five hundred thirty-five".