126635241 has 4 divisors (see below), whose sum is σ = 168846992. Its totient is φ = 84423492.

The previous prime is 126635203. The next prime is 126635269. The reversal of 126635241 is 142536621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 126635241 - 2¹⁰ = 126634217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126635199 and 126635208.

It is not an unprimeable number, because it can be changed into a prime (126635281) 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, 21105871 + ... + 21105876.

It is an arithmetic number, because the mean of its divisors is an integer number (42211748).

Almost surely, 2^126635241 is an apocalyptic number.

It is an amenable number.

126635241 is a deficient number, since it is larger than the sum of its proper divisors (42211751).

126635241 is an equidigital number, since it uses as much as digits as its factorization.

126635241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42211750.

The product of its digits is 8640, while the sum is 30.

The square root of 126635241 is about 11253.2324689398. The cubic root of 126635241 is about 502.1708822330.

The spelling of 126635241 in words is "one hundred twenty-six million, six hundred thirty-five thousand, two hundred forty-one".