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120801 = 367601
BaseRepresentation
bin11101011111100001
320010201010
4131133201
512331201
62331133
71012122
oct353741
9203633
10120801
118283a
1259aa9
1342ca5
1432049
1525bd6
hex1d7e1

120801 has 8 divisors (see below), whose sum is σ = 163744. Its totient is φ = 79200.

The previous prime is 120779. The next prime is 120811. The reversal of 120801 is 108021.

Adding to 120801 its reverse (108021), we get a palindrome (228822).

It can be divided in two parts, 1 and 20801, that added together give a palindrome (20802).

It is a happy number.

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

It is not a de Polignac number, because 120801 - 26 = 120737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100 + ... + 501.

It is an arithmetic number, because the mean of its divisors is an integer number (20468).

2120801 is an apocalyptic number.

120801 is the 201-st octagonal number.

It is an amenable number.

120801 is a deficient number, since it is larger than the sum of its proper divisors (42943).

120801 is an equidigital number, since it uses as much as digits as its factorization.

120801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120801 is about 347.5643825250. The cubic root of 120801 is about 49.4337446396.

The spelling of 120801 in words is "one hundred twenty thousand, eight hundred one".

Divisors: 1 3 67 201 601 1803 40267 120801