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120965 = 5131861
BaseRepresentation
bin11101100010000101
320010221012
4131202011
512332330
62332005
71012445
oct354205
9203835
10120965
1182979
125a005
13430a0
1432125
1525c95
hex1d885

120965 has 8 divisors (see below), whose sum is σ = 156408. Its totient is φ = 89280.

The previous prime is 120947. The next prime is 120977. The reversal of 120965 is 569021.

It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 113569 = 86^2 + 337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120965 - 28 = 120709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120965.

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, 866 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (19551).

2120965 is an apocalyptic number.

It is an amenable number.

120965 is a deficient number, since it is larger than the sum of its proper divisors (35443).

120965 is a wasteful number, since it uses less digits than its factorization.

120965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 120965 is about 347.8002300172. The cubic root of 120965 is about 49.4561050178.

Adding to 120965 its reverse (569021), we get a palindrome (689986).

The spelling of 120965 in words is "one hundred twenty thousand, nine hundred sixty-five".

Divisors: 1 5 13 65 1861 9305 24193 120965