126398241 has 12 divisors (see below), whose sum is σ = 192184720. Its totient is φ = 79830360.

The previous prime is 126398231. The next prime is 126398243. The reversal of 126398241 is 142893621.

126398241 is a `hidden beast` number, since 1 + 26 + 398 + 241 = 666.

It is not a de Polignac number, because 126398241 - 2⁹ = 126397729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126398196 and 126398205.

It is not an unprimeable number, because it can be changed into a prime (126398243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369415 + ... + 369756.

Almost surely, 2^126398241 is an apocalyptic number.

It is an amenable number.

126398241 is a deficient number, since it is larger than the sum of its proper divisors (65786479).

126398241 is a wasteful number, since it uses less digits than its factorization.

126398241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739196 (or 739193 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 126398241 is about 11242.6972297576. The cubic root of 126398241 is about 501.8574128245.

The spelling of 126398241 in words is "one hundred twenty-six million, three hundred ninety-eight thousand, two hundred forty-one".