126200345 has 8 divisors (see below), whose sum is σ = 151824264. Its totient is φ = 100704384.

The previous prime is 126200341. The next prime is 126200353. The reversal of 126200345 is 543002621.

It can be written as a sum of positive squares in 4 ways, for example, as 53114944 + 73085401 = 7288^2 + 8549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126200345 - 2² = 126200341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126200345.

It is not an unprimeable number, because it can be changed into a prime (126200341) 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 in 7 ways as a sum of consecutive naturals, for example, 29804 + ... + 33773.

It is an arithmetic number, because the mean of its divisors is an integer number (18978033).

Almost surely, 2^126200345 is an apocalyptic number.

It is an amenable number.

126200345 is a deficient number, since it is larger than the sum of its proper divisors (25623919).

126200345 is an equidigital number, since it uses as much as digits as its factorization.

126200345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63979.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 126200345 is about 11233.8926913159. The cubic root of 126200345 is about 501.5953642121.

Adding to 126200345 its reverse (543002621), we get a palindrome (669202966).

The spelling of 126200345 in words is "one hundred twenty-six million, two hundred thousand, three hundred forty-five".