126203399841 has 8 divisors (see below), whose sum is σ = 172184483680. Its totient is φ = 82178957952.

The previous prime is 126203399837. The next prime is 126203399899. The reversal of 126203399841 is 148993302621.

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

It is not a de Polignac number, because 126203399841 - 2² = 126203399837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126203399821) 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, 489160336 + ... + 489160593.

It is an arithmetic number, because the mean of its divisors is an integer number (21523060460).

Almost surely, 2^126203399841 is an apocalyptic number.

It is an amenable number.

126203399841 is a deficient number, since it is larger than the sum of its proper divisors (45981083839).

126203399841 is an equidigital number, since it uses as much as digits as its factorization.

126203399841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978320975.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 126203399841 in words is "one hundred twenty-six billion, two hundred three million, three hundred ninety-nine thousand, eight hundred forty-one".