Search a number
-
+
126929141 is a prime number
BaseRepresentation
bin1111001000011…
…00100011110101
322211211200001022
413210030203311
5224443213031
620332310525
73100610543
oct744144365
9284750038
10126929141
1165714819
1236612445
13203b1b01
1412c00d93
15b22397b
hex790c8f5

126929141 has 2 divisors, whose sum is σ = 126929142. Its totient is φ = 126929140.

The previous prime is 126929137. The next prime is 126929197. The reversal of 126929141 is 141929621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114041041 + 12888100 = 10679^2 + 3590^2 .

It is an emirp because it is prime and its reverse (141929621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126929141 - 22 = 126929137 is a prime.

It is a super-2 number, since 2×1269291412 = 32222013669995762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126929441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63464570 + 63464571.

It is an arithmetic number, because the mean of its divisors is an integer number (63464571).

Almost surely, 2126929141 is an apocalyptic number.

It is an amenable number.

126929141 is a deficient number, since it is larger than the sum of its proper divisors (1).

126929141 is an equidigital number, since it uses as much as digits as its factorization.

126929141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 126929141 is about 11266.2833711921. The cubic root of 126929141 is about 502.5590679968.

The spelling of 126929141 in words is "one hundred twenty-six million, nine hundred twenty-nine thousand, one hundred forty-one".