126842441 has 4 divisors (see below), whose sum is σ = 138373584. Its totient is φ = 115311300.

The previous prime is 126842437. The next prime is 126842449. The reversal of 126842441 is 144248621.

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 a cyclic number.

It is not a de Polignac number, because 126842441 - 2² = 126842437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126842398 and 126842407.

It is not an unprimeable number, because it can be changed into a prime (126842449) 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, 5765555 + ... + 5765576.

It is an arithmetic number, because the mean of its divisors is an integer number (34593396).

Almost surely, 2^126842441 is an apocalyptic number.

126842441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126842441 is a deficient number, since it is larger than the sum of its proper divisors (11531143).

126842441 is a wasteful number, since it uses less digits than its factorization.

126842441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531142.

The product of its digits is 12288, while the sum is 32.

The square root of 126842441 is about 11262.4349498676. The cubic root of 126842441 is about 502.4446162239. Note that the first 3 decimals are identical.

The spelling of 126842441 in words is "one hundred twenty-six million, eight hundred forty-two thousand, four hundred forty-one".