Search a number
-
+
125907629 is a prime number
BaseRepresentation
bin1111000000100…
…11001010101101
322202220202210112
413200103022231
5224213021004
620254345405
73056124431
oct740231255
9282822715
10125907629
11650872a1
12361bb265
1320114b73
1412a169c1
15b0c0e6e
hex78132ad

125907629 has 2 divisors, whose sum is σ = 125907630. Its totient is φ = 125907628.

The previous prime is 125907619. The next prime is 125907643. The reversal of 125907629 is 926709521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119137225 + 6770404 = 10915^2 + 2602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125907629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125907619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62953814 + 62953815.

It is an arithmetic number, because the mean of its divisors is an integer number (62953815).

Almost surely, 2125907629 is an apocalyptic number.

It is an amenable number.

125907629 is a deficient number, since it is larger than the sum of its proper divisors (1).

125907629 is an equidigital number, since it uses as much as digits as its factorization.

125907629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 125907629 is about 11220.8568745885. The cubic root of 125907629 is about 501.2072547260.

The spelling of 125907629 in words is "one hundred twenty-five million, nine hundred seven thousand, six hundred twenty-nine".