125438828 has 6 divisors (see below), whose sum is σ = 219517956. Its totient is φ = 62719412.

The previous prime is 125438821. The next prime is 125438837. The reversal of 125438828 is 828834521.

It is not an unprimeable number, because it can be changed into a prime (125438821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15679850 + ... + 15679857.

It is an arithmetic number, because the mean of its divisors is an integer number (36586326).

Almost surely, 2^125438828 is an apocalyptic number.

It is an amenable number.

125438828 is a deficient number, since it is larger than the sum of its proper divisors (94079128).

125438828 is a wasteful number, since it uses less digits than its factorization.

125438828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31359711 (or 31359709 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 125438828 is about 11199.9476784492. The cubic root of 125438828 is about 500.5844206389.

The spelling of 125438828 in words is "one hundred twenty-five million, four hundred thirty-eight thousand, eight hundred twenty-eight".