Search a number
-
+
240125131 is a prime number
BaseRepresentation
bin11100101000000…
…00010011001011
3121201211121202101
432110000103023
5442433001011
635454414231
75644013161
oct1624002313
9551747671
10240125131
111135a9624
1268501377
133a995a9c
1423c69231
15161332c1
hexe5004cb

240125131 has 2 divisors, whose sum is σ = 240125132. Its totient is φ = 240125130.

The previous prime is 240125111. The next prime is 240125159. The reversal of 240125131 is 131521042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240125131 is a prime.

It is a super-2 number, since 2×2401251312 = 115320157075534322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240125099 and 240125108.

It is not a weakly prime, because it can be changed into another prime (240125111) 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 as a sum of consecutive naturals, namely, 120062565 + 120062566.

It is an arithmetic number, because the mean of its divisors is an integer number (120062566).

Almost surely, 2240125131 is an apocalyptic number.

240125131 is a deficient number, since it is larger than the sum of its proper divisors (1).

240125131 is an equidigital number, since it uses as much as digits as its factorization.

240125131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 240125131 is about 15495.9714442174. The cubic root of 240125131 is about 621.5544855123.

Adding to 240125131 its reverse (131521042), we get a palindrome (371646173).

The spelling of 240125131 in words is "two hundred forty million, one hundred twenty-five thousand, one hundred thirty-one".