126750901 has 2 divisors, whose sum is σ = 126750902. Its totient is φ = 126750900.

The previous prime is 126750797. The next prime is 126750941. The reversal of 126750901 is 109057621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 33628401 = 9650^2 + 5799^2 .

It is an emirp because it is prime and its reverse (109057621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126750901 - 2¹³ = 126742709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126750941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63375450 + 63375451.

It is an arithmetic number, because the mean of its divisors is an integer number (63375451).

Almost surely, 2^126750901 is an apocalyptic number.

It is an amenable number.

126750901 is a deficient number, since it is larger than the sum of its proper divisors (1).

126750901 is an equidigital number, since it uses as much as digits as its factorization.

126750901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 126750901 is about 11258.3702639414. The cubic root of 126750901 is about 502.3237186007.

The spelling of 126750901 in words is "one hundred twenty-six million, seven hundred fifty thousand, nine hundred one".