126242363 has 4 divisors (see below), whose sum is σ = 135953328. Its totient is φ = 116531400.

The previous prime is 126242353. The next prime is 126242381. The reversal of 126242363 is 363242621.

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 126242363 - 2⁸ = 126242107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126242353) 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, 4855463 + ... + 4855488.

It is an arithmetic number, because the mean of its divisors is an integer number (33988332).

Almost surely, 2^126242363 is an apocalyptic number.

126242363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126242363 is a deficient number, since it is larger than the sum of its proper divisors (9710965).

126242363 is an equidigital number, since it uses as much as digits as its factorization.

126242363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710964.

The product of its digits is 10368, while the sum is 29.

The square root of 126242363 is about 11235.7626799430. The cubic root of 126242363 is about 501.6510262241.

Adding to 126242363 its reverse (363242621), we get a palindrome (489484984).

The spelling of 126242363 in words is "one hundred twenty-six million, two hundred forty-two thousand, three hundred sixty-three".