126100913 has 2 divisors, whose sum is σ = 126100914. Its totient is φ = 126100912.

The previous prime is 126100837. The next prime is 126100937. The reversal of 126100913 is 319001621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111872929 + 14227984 = 10577^2 + 3772^2 .

It is a cyclic number.

It is not a de Polignac number, because 126100913 - 2¹⁰ = 126099889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126100213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63050456 + 63050457.

It is an arithmetic number, because the mean of its divisors is an integer number (63050457).

Almost surely, 2^126100913 is an apocalyptic number.

It is an amenable number.

126100913 is a deficient number, since it is larger than the sum of its proper divisors (1).

126100913 is an equidigital number, since it uses as much as digits as its factorization.

126100913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 126100913 is about 11229.4662829540. The cubic root of 126100913 is about 501.4635955956.

The spelling of 126100913 in words is "one hundred twenty-six million, one hundred thousand, nine hundred thirteen".