126396901 has 2 divisors, whose sum is σ = 126396902. Its totient is φ = 126396900.

The previous prime is 126396863. The next prime is 126396929. The reversal of 126396901 is 109693621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104550625 + 21846276 = 10225^2 + 4674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126396901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126396001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63198450 + 63198451.

It is an arithmetic number, because the mean of its divisors is an integer number (63198451).

Almost surely, 2^126396901 is an apocalyptic number.

It is an amenable number.

126396901 is a deficient number, since it is larger than the sum of its proper divisors (1).

126396901 is an equidigital number, since it uses as much as digits as its factorization.

126396901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 126396901 is about 11242.6376353594. The cubic root of 126396901 is about 501.8556393523.

The spelling of 126396901 in words is "one hundred twenty-six million, three hundred ninety-six thousand, nine hundred one".