125836403 has 8 divisors (see below), whose sum is σ = 156887040. Its totient is φ = 98054280.

The previous prime is 125836393. The next prime is 125836429. The reversal of 125836403 is 304638521.

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 125836403 - 2¹⁶ = 125770867 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 125836403.

It is not an unprimeable number, because it can be changed into a prime (125836433) 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, 817043 + ... + 817196.

It is an arithmetic number, because the mean of its divisors is an integer number (19610880).

Almost surely, 2^125836403 is an apocalyptic number.

125836403 is a deficient number, since it is larger than the sum of its proper divisors (31050637).

125836403 is a wasteful number, since it uses less digits than its factorization.

125836403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634257.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 125836403 is about 11217.6826038180. The cubic root of 125836403 is about 501.1127258454.

The spelling of 125836403 in words is "one hundred twenty-five million, eight hundred thirty-six thousand, four hundred three".