126863245 has 8 divisors (see below), whose sum is σ = 152674200. Its totient is φ = 101198400.

The previous prime is 126863237. The next prime is 126863251. The reversal of 126863245 is 542368621.

It can be written as a sum of positive squares in 4 ways, for example, as 24226084 + 102637161 = 4922^2 + 10131^2 .

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

It is not a de Polignac number, because 126863245 - 2³ = 126863237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34606 + ... + 38095.

It is an arithmetic number, because the mean of its divisors is an integer number (19084275).

Almost surely, 2^126863245 is an apocalyptic number.

It is an amenable number.

126863245 is a deficient number, since it is larger than the sum of its proper divisors (25810955).

126863245 is an equidigital number, since it uses as much as digits as its factorization.

126863245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73055.

The product of its digits is 69120, while the sum is 37.

The square root of 126863245 is about 11263.3585133387. The cubic root of 126863245 is about 502.4720841236.

It can be divided in two parts, 12686 and 3245, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 126863245 in words is "one hundred twenty-six million, eight hundred sixty-three thousand, two hundred forty-five".