126103165 has 32 divisors (see below), whose sum is σ = 162712800. Its totient is φ = 93649920.

The previous prime is 126103151. The next prime is 126103169. The reversal of 126103165 is 561301621.

It can be written as a sum of positive squares in 16 ways, for example, as 77633721 + 48469444 = 8811^2 + 6962^2 .

It is not a de Polignac number, because 126103165 - 2⁹ = 126102653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126103169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468651 + ... + 468919.

It is an arithmetic number, because the mean of its divisors is an integer number (5084775).

Almost surely, 2^126103165 is an apocalyptic number.

It is an amenable number.

126103165 is a deficient number, since it is larger than the sum of its proper divisors (36609635).

126103165 is a wasteful number, since it uses less digits than its factorization.

126103165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 126103165 is about 11229.5665544134. The cubic root of 126103165 is about 501.4665807426.

Adding to 126103165 its reverse (561301621), we get a palindrome (687404786).

The spelling of 126103165 in words is "one hundred twenty-six million, one hundred three thousand, one hundred sixty-five".