126750101 has 2 divisors, whose sum is σ = 126750102. Its totient is φ = 126750100.

The previous prime is 126750077. The next prime is 126750139. The reversal of 126750101 is 101057621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126675025 + 75076 = 11255^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 126750101 - 2⁶ = 126750037 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 (126750901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63375050 + 63375051.

It is an arithmetic number, because the mean of its divisors is an integer number (63375051).

Almost surely, 2^126750101 is an apocalyptic number.

It is an amenable number.

126750101 is a deficient number, since it is larger than the sum of its proper divisors (1).

126750101 is an equidigital number, since it uses as much as digits as its factorization.

126750101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 126750101 is about 11258.3347347643. The cubic root of 126750101 is about 502.3226617776.

The spelling of 126750101 in words is "one hundred twenty-six million, seven hundred fifty thousand, one hundred one".