126750199 has 2 divisors, whose sum is σ = 126750200. Its totient is φ = 126750198.

The previous prime is 126750157. The next prime is 126750233. The reversal of 126750199 is 991057621.

It is a strong prime.

It is an emirp because it is prime and its reverse (991057621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126750199 - 2¹¹ = 126748151 is a prime.

It is a super-2 number, since 2×126750199² = 32131225893079202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126750139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63375099 + 63375100.

It is an arithmetic number, because the mean of its divisors is an integer number (63375100).

Almost surely, 2^126750199 is an apocalyptic number.

126750199 is a deficient number, since it is larger than the sum of its proper divisors (1).

126750199 is an equidigital number, since it uses as much as digits as its factorization.

126750199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 126750199 is about 11258.3390870945. The cubic root of 126750199 is about 502.3227912387.

The spelling of 126750199 in words is "one hundred twenty-six million, seven hundred fifty thousand, one hundred ninety-nine".