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120525 = 3521607
BaseRepresentation
bin11101011011001101
320010022220
4131123031
512324100
62325553
71011246
oct353315
9203286
10120525
1182609
12598b9
1342b22
1431ccd
1525aa0
hex1d6cd

120525 has 12 divisors (see below), whose sum is σ = 199392. Its totient is φ = 64240.

The previous prime is 120511. The next prime is 120539. The reversal of 120525 is 525021.

It is an interprime number because it is at equal distance from previous prime (120511) and next prime (120539).

It is not a de Polignac number, because 120525 - 27 = 120397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (16616).

2120525 is an apocalyptic number.

120525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120525 is a deficient number, since it is larger than the sum of its proper divisors (78867).

120525 is a wasteful number, since it uses less digits than its factorization.

120525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 120525 is about 347.1671067368. The cubic root of 120525 is about 49.3960680267.

Adding to 120525 its reverse (525021), we get a palindrome (645546).

Subtracting 120525 from its reverse (525021), we obtain a square (404496 = 6362).

The spelling of 120525 in words is "one hundred twenty thousand, five hundred twenty-five".