Search a number
-
+
123040133 = 2337144583
BaseRepresentation
bin1110101010101…
…11000110000101
322120112002022222
413111113012011
5222444241013
620113102125
73022552406
oct725270605
9276462288
10123040133
11634a8967
1235257945
131c64c918
14124ab9ad
15ac06508
hex7557185

123040133 has 8 divisors (see below), whose sum is σ = 131860608. Its totient is φ = 114508944.

The previous prime is 123040121. The next prime is 123040199. The reversal of 123040133 is 331040321.

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 123040133 - 24 = 123040117 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 (123040433) 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, 71441 + ... + 73142.

It is an arithmetic number, because the mean of its divisors is an integer number (16482576).

Almost surely, 2123040133 is an apocalyptic number.

It is an amenable number.

123040133 is a deficient number, since it is larger than the sum of its proper divisors (8820475).

123040133 is a wasteful number, since it uses less digits than its factorization.

123040133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144643.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123040133 is about 11092.3456942164. The cubic root of 123040133 is about 497.3730666125.

Adding to 123040133 its reverse (331040321), we get a palindrome (454080454).

The spelling of 123040133 in words is "one hundred twenty-three million, forty thousand, one hundred thirty-three".

Divisors: 1 23 37 851 144583 3325409 5349571 123040133