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125894837 is a prime number
BaseRepresentation
bin1111000000100…
…00000010110101
322202220010020202
413200100002311
5224212113322
620254210245
73056042225
oct740200265
9282803222
10125894837
1165078722
12361b3985
132010c0b3
1412a12085
15b0bc292
hex78100b5

125894837 has 2 divisors, whose sum is σ = 125894838. Its totient is φ = 125894836.

The previous prime is 125894833. The next prime is 125894869. The reversal of 125894837 is 738498521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 1661521 = 11146^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 125894837 - 22 = 125894833 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125894791 and 125894800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125894833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62947418 + 62947419.

It is an arithmetic number, because the mean of its divisors is an integer number (62947419).

Almost surely, 2125894837 is an apocalyptic number.

It is an amenable number.

125894837 is a deficient number, since it is larger than the sum of its proper divisors (1).

125894837 is an equidigital number, since it uses as much as digits as its factorization.

125894837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 125894837 is about 11220.2868501656. The cubic root of 125894837 is about 501.1902802175.

The spelling of 125894837 in words is "one hundred twenty-five million, eight hundred ninety-four thousand, eight hundred thirty-seven".