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BaseRepresentation
bin11110111010100001
320102200211
4132322201
513023000
62414121
71035112
oct367241
9212624
10126625
1187154
1261341
1345835
1434209
15277ba
hex1eea1

126625 has 8 divisors (see below), whose sum is σ = 158184. Its totient is φ = 101200.

The previous prime is 126613. The next prime is 126631. The reversal of 126625 is 526621.

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 88209 = 196^2 + 297^2 .

It is not a de Polignac number, because 126625 - 211 = 124577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126596 and 126605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382 + ... + 631.

It is an arithmetic number, because the mean of its divisors is an integer number (19773).

2126625 is an apocalyptic number.

It is an amenable number.

126625 is a deficient number, since it is larger than the sum of its proper divisors (31559).

126625 is an equidigital number, since it uses as much as digits as its factorization.

126625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1018 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 126625 is about 355.8440669732. The cubic root of 126625 is about 50.2157345004.

The spelling of 126625 in words is "one hundred twenty-six thousand, six hundred twenty-five".

Divisors: 1 5 25 125 1013 5065 25325 126625