Search a number
-
+
120121133 = 1117642359
BaseRepresentation
bin1110010100011…
…10011100101101
322101000210012212
413022032130231
5221222334013
615530340205
72656004246
oct712163455
9271023185
10120121133
1161894870
123428a665
131bb6a0c2
1411d4bccd
15a82b6a8
hex728e72d

120121133 has 8 divisors (see below), whose sum is σ = 138749760. Its totient is φ = 102777280.

The previous prime is 120121123. The next prime is 120121163. The reversal of 120121133 is 331121021.

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

It is a cyclic number.

It is not a de Polignac number, because 120121133 - 212 = 120117037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320993 + ... + 321366.

It is an arithmetic number, because the mean of its divisors is an integer number (17343720).

Almost surely, 2120121133 is an apocalyptic number.

It is an amenable number.

120121133 is a deficient number, since it is larger than the sum of its proper divisors (18628627).

120121133 is a wasteful number, since it uses less digits than its factorization.

120121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642387.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 120121133 is about 10959.9786952348. The cubic root of 120121133 is about 493.4083255347.

Adding to 120121133 its reverse (331121021), we get a palindrome (451242154).

The spelling of 120121133 in words is "one hundred twenty million, one hundred twenty-one thousand, one hundred thirty-three".

Divisors: 1 11 17 187 642359 7065949 10920103 120121133