Search a number
-
+
120120625 = 54192193
BaseRepresentation
bin1110010100011…
…10010100110001
322101000202112001
413022032110301
5221222330000
615530334001
72656002622
oct712162461
9271022461
10120120625
1161894449
123428a301
131bb69ac1
1411d4ba49
15a82b46a
hex728e531

120120625 has 10 divisors (see below), whose sum is σ = 150103514. Its totient is φ = 96096000.

The previous prime is 120120563. The next prime is 120120659. The reversal of 120120625 is 526021021.

It can be written as a sum of positive squares in 5 ways, for example, as 86434209 + 33686416 = 9297^2 + 5804^2 .

It is a de Polignac number, because none of the positive numbers 2k-120120625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 95472 + ... + 96721.

Almost surely, 2120120625 is an apocalyptic number.

It is an amenable number.

120120625 is a deficient number, since it is larger than the sum of its proper divisors (29982889).

120120625 is an frugal number, since it uses more digits than its factorization.

120120625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192213 (or 192198 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 120120625 is about 10959.9555199827. The cubic root of 120120625 is about 493.4076299818.

Adding to 120120625 its reverse (526021021), we get a palindrome (646141646).

The spelling of 120120625 in words is "one hundred twenty million, one hundred twenty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 192193 960965 4804825 24024125 120120625