Search a number
-
+
103040121 = 347730781
BaseRepresentation
bin1100010010001…
…00010001111001
321011212222110210
412021010101321
5202334240441
614120301333
72360553342
oct611042171
9234788423
10103040121
1153188628
122a611849
13184694b2
14d9830c9
1590a5616
hex6244479

103040121 has 8 divisors (see below), whose sum is σ = 140310144. Its totient is φ = 67231760.

The previous prime is 103040087. The next prime is 103040149. The reversal of 103040121 is 121040301.

It is a happy number.

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 103040121 - 26 = 103040057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103040097 and 103040106.

It is not an unprimeable number, because it can be changed into a prime (103040221) 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, 365250 + ... + 365531.

It is an arithmetic number, because the mean of its divisors is an integer number (17538768).

Almost surely, 2103040121 is an apocalyptic number.

It is an amenable number.

103040121 is a deficient number, since it is larger than the sum of its proper divisors (37270023).

103040121 is an equidigital number, since it uses as much as digits as its factorization.

103040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730831.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 103040121 is about 10150.8679924428. The cubic root of 103040121 is about 468.8156706571.

Adding to 103040121 its reverse (121040301), we get a palindrome (224080422).

The spelling of 103040121 in words is "one hundred three million, forty thousand, one hundred twenty-one".

Divisors: 1 3 47 141 730781 2192343 34346707 103040121