126032243 has 4 divisors (see below), whose sum is σ = 126114240. Its totient is φ = 125950248.

The previous prime is 126032233. The next prime is 126032261. The reversal of 126032243 is 342230621.

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 126032243 - 2⁸ = 126031987 is a prime.

It is a super-2 number, since 2×126032243² = 31768252551222098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126032213) 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, 38648 + ... + 41781.

It is an arithmetic number, because the mean of its divisors is an integer number (31528560).

Almost surely, 2^126032243 is an apocalyptic number.

126032243 is a deficient number, since it is larger than the sum of its proper divisors (81997).

126032243 is an equidigital number, since it uses as much as digits as its factorization.

126032243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81996.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 126032243 is about 11226.4082858232. The cubic root of 126032243 is about 501.3725527502.

Adding to 126032243 its reverse (342230621), we get a palindrome (468262864).

The spelling of 126032243 in words is "one hundred twenty-six million, thirty-two thousand, two hundred forty-three".