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126155941 is a prime number
BaseRepresentation
bin1111000010011…
…11110010100101
322210101101102021
413201033302211
5224243442231
620303543141
73061210402
oct741176245
9283341367
10126155941
116523690a
12362baab1
13201a0bb2
1412a7d2a9
15b11e811
hex784fca5

126155941 has 2 divisors, whose sum is σ = 126155942. Its totient is φ = 126155940.

The previous prime is 126155891. The next prime is 126155947. The reversal of 126155941 is 149551621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121550625 + 4605316 = 11025^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 126155941 - 217 = 126024869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126155897 and 126155906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126155947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63077970 + 63077971.

It is an arithmetic number, because the mean of its divisors is an integer number (63077971).

Almost surely, 2126155941 is an apocalyptic number.

It is an amenable number.

126155941 is a deficient number, since it is larger than the sum of its proper divisors (1).

126155941 is an equidigital number, since it uses as much as digits as its factorization.

126155941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 34.

The square root of 126155941 is about 11231.9161766815. The cubic root of 126155941 is about 501.5365279933.

The spelling of 126155941 in words is "one hundred twenty-six million, one hundred fifty-five thousand, nine hundred forty-one".