125438803 has 32 divisors (see below), whose sum is σ = 158441472. Its totient is φ = 96940800.

The previous prime is 125438791. The next prime is 125438809. The reversal of 125438803 is 308834521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125438803 - 2⁵ = 125438771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125438809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204325 + ... + 204937.

It is an arithmetic number, because the mean of its divisors is an integer number (4951296).

Almost surely, 2^125438803 is an apocalyptic number.

125438803 is a deficient number, since it is larger than the sum of its proper divisors (33002669).

125438803 is a wasteful number, since it uses less digits than its factorization.

125438803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 125438803 is about 11199.9465623725. The cubic root of 125438803 is about 500.5843873833.

The spelling of 125438803 in words is "one hundred twenty-five million, four hundred thirty-eight thousand, eight hundred three".