126212443 has 8 divisors (see below), whose sum is σ = 144806112. Its totient is φ = 107759616.

The previous prime is 126212419. The next prime is 126212447. The reversal of 126212443 is 344212621.

It is a happy number.

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 126212443 - 2⁹ = 126211931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126212447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33280 + ... + 36877.

It is an arithmetic number, because the mean of its divisors is an integer number (18100764).

Almost surely, 2^126212443 is an apocalyptic number.

126212443 is a deficient number, since it is larger than the sum of its proper divisors (18593669).

126212443 is an equidigital number, since it uses as much as digits as its factorization.

126212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70421.

The product of its digits is 2304, while the sum is 25.

The square root of 126212443 is about 11234.4311382464. The cubic root of 126212443 is about 501.6113919200.

The spelling of 126212443 in words is "one hundred twenty-six million, two hundred twelve thousand, four hundred forty-three".