800000125 has 16 divisors (see below), whose sum is σ = 1025389872. Its totient is φ = 622699200.

The previous prime is 800000107. The next prime is 800000147. The reversal of 800000125 is 521000008.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 306005049 + 493995076 = 17493^2 + 22226^2 .

It is a sliding number, since 800000125 = 125 + 800000000 and 1/125 + 1/800000000 = 0.00800000125.

It is not a de Polignac number, because 800000125 - 2²³ = 791611517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800000099 and 800000108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81862 + ... + 91111.

It is an arithmetic number, because the mean of its divisors is an integer number (64086867).

Almost surely, 2^800000125 is an apocalyptic number.

It is an amenable number.

800000125 is a deficient number, since it is larger than the sum of its proper divisors (225389747).

800000125 is a wasteful number, since it uses less digits than its factorization.

800000125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173025 (or 173015 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 800000125 is about 28284.2734571705. The cubic root of 800000125 is about 928.3178150724.

It can be divided in two parts, 800000 and 125, that multiplied together give a 8-th power (100000000 = 10⁸).

The spelling of 800000125 in words is "eight hundred million, one hundred twenty-five", and thus it is an aban number.