125843633 has 8 divisors (see below), whose sum is σ = 126600360. Its totient is φ = 125089920.

The previous prime is 125843617. The next prime is 125843647. The reversal of 125843633 is 336348521.

It can be written as a sum of positive squares in 4 ways, for example, as 54051904 + 71791729 = 7352^2 + 8473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125843633 - 2⁴ = 125843617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125843593 and 125843602.

It is not an unprimeable number, because it can be changed into a prime (125843033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232343 + ... + 232883.

It is an arithmetic number, because the mean of its divisors is an integer number (15825045).

Almost surely, 2^125843633 is an apocalyptic number.

It is an amenable number.

125843633 is a deficient number, since it is larger than the sum of its proper divisors (756727).

125843633 is an equidigital number, since it uses as much as digits as its factorization.

125843633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its digits is 51840, while the sum is 35.

The square root of 125843633 is about 11218.0048582625. The cubic root of 125843633 is about 501.1223228977.

The spelling of 125843633 in words is "one hundred twenty-five million, eight hundred forty-three thousand, six hundred thirty-three".