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121130 = 2512113
BaseRepresentation
bin11101100100101010
320011011022
4131210222
512334010
62332442
71013102
oct354452
9204138
10121130
1183009
125a122
1343199
1432202
1525d55
hex1d92a

121130 has 8 divisors (see below), whose sum is σ = 218052. Its totient is φ = 48448.

The previous prime is 121123. The next prime is 121139. The reversal of 121130 is 31121.

It can be written as a sum of positive squares in 2 ways, for example, as 117649 + 3481 = 343^2 + 59^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6047 + ... + 6066.

2121130 is an apocalyptic number.

121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121130 is a deficient number, since it is larger than the sum of its proper divisors (96922).

121130 is a wasteful number, since it uses less digits than its factorization.

121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 121130 is about 348.0373543170. The cubic root of 121130 is about 49.4785813535.

Adding to 121130 its reverse (31121), we get a palindrome (152251).

Subtracting from 121130 its reverse (31121), we obtain a palindrome (90009).

The spelling of 121130 in words is "one hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 12113 24226 60565 121130