126245263 has 4 divisors (see below), whose sum is σ = 126335160. Its totient is φ = 126155368.

The previous prime is 126245261. The next prime is 126245333. The reversal of 126245263 is 362542621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126245263 - 2¹ = 126245261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126245261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42808 + ... + 45661.

It is an arithmetic number, because the mean of its divisors is an integer number (31583790).

Almost surely, 2^126245263 is an apocalyptic number.

126245263 is a deficient number, since it is larger than the sum of its proper divisors (89897).

126245263 is an equidigital number, since it uses as much as digits as its factorization.

126245263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89896.

The product of its digits is 17280, while the sum is 31.

The square root of 126245263 is about 11235.8917314114. The cubic root of 126245263 is about 501.6548674514.

Adding to 126245263 its reverse (362542621), we get a palindrome (488787884).

The spelling of 126245263 in words is "one hundred twenty-six million, two hundred forty-five thousand, two hundred sixty-three".