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120625 = 54193
BaseRepresentation
bin11101011100110001
320010110121
4131130301
512330000
62330241
71011451
oct353461
9203417
10120625
118269a
1259981
1342b9b
1431d61
1525b1a
hex1d731

120625 has 10 divisors (see below), whose sum is σ = 151514. Its totient is φ = 96000.

The previous prime is 120623. The next prime is 120641. The reversal of 120625 is 526021.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 63504 + 57121 = 252^2 + 239^2 .

It is not a de Polignac number, because 120625 - 21 = 120623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120599 and 120608.

It is not an unprimeable number, because it can be changed into a prime (120623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 529 + ... + 721.

2120625 is an apocalyptic number.

It is an amenable number.

120625 is a deficient number, since it is larger than the sum of its proper divisors (30889).

120625 is an frugal number, since it uses more digits than its factorization.

120625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120625 is about 347.3110997362. The cubic root of 120625 is about 49.4097256117.

Adding to 120625 its reverse (526021), we get a palindrome (646646).

The spelling of 120625 in words is "one hundred twenty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 193 625 965 4825 24125 120625