125243828 has 12 divisors (see below), whose sum is σ = 232069572. Its totient is φ = 58938240.

The previous prime is 125243827. The next prime is 125243851. The reversal of 125243828 is 828342521.

It can be written as a sum of positive squares in 2 ways, for example, as 110712484 + 14531344 = 10522^2 + 3812^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125243827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920843 + ... + 920978.

It is an arithmetic number, because the mean of its divisors is an integer number (19339131).

Almost surely, 2^125243828 is an apocalyptic number.

It is an amenable number.

125243828 is a deficient number, since it is larger than the sum of its proper divisors (106825744).

125243828 is a wasteful number, since it uses less digits than its factorization.

125243828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841842 (or 1841840 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 125243828 is about 11191.2388947784. The cubic root of 125243828 is about 500.3248928436.

The spelling of 125243828 in words is "one hundred twenty-five million, two hundred forty-three thousand, eight hundred twenty-eight".