Search a number
-
+
120879 = 3311237
BaseRepresentation
bin11101100000101111
320010211000
4131200233
512332004
62331343
71012263
oct354057
9203730
10120879
1182900
1259b53
1343035
14320a3
1525c39
hex1d82f

120879 has 24 divisors (see below), whose sum is σ = 202160. Its totient is φ = 71280.

The previous prime is 120877. The next prime is 120889. The reversal of 120879 is 978021.

It is not a de Polignac number, because 120879 - 21 = 120877 is a prime.

It is a super-2 number, since 2×1208792 = 29223465282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

120879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3249 + ... + 3285.

2120879 is an apocalyptic number.

120879 is a deficient number, since it is larger than the sum of its proper divisors (81281).

120879 is a wasteful number, since it uses less digits than its factorization.

120879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 120879 is about 347.6765738441. The cubic root of 120879 is about 49.4443819756. Note that the first 3 decimals are identical.

It can be divided in two parts, 120 and 879, that added together give a palindrome (999).

The spelling of 120879 in words is "one hundred twenty thousand, eight hundred seventy-nine".

Divisors: 1 3 9 11 27 33 37 99 111 121 297 333 363 407 999 1089 1221 3267 3663 4477 10989 13431 40293 120879