126789441 has 8 divisors (see below), whose sum is σ = 170726784. Its totient is φ = 83689200.

The previous prime is 126789433. The next prime is 126789461. The reversal of 126789441 is 144987621.

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

It is not a de Polignac number, because 126789441 - 2³ = 126789433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126789393 and 126789402.

It is not an unprimeable number, because it can be changed into a prime (126789401) 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, 208921 + ... + 209526.

It is an arithmetic number, because the mean of its divisors is an integer number (21340848).

Almost surely, 2^126789441 is an apocalyptic number.

It is an amenable number.

126789441 is a deficient number, since it is larger than the sum of its proper divisors (43937343).

126789441 is a wasteful number, since it uses less digits than its factorization.

126789441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418551.

The product of its digits is 96768, while the sum is 42.

The square root of 126789441 is about 11260.0817492592. The cubic root of 126789441 is about 502.3746257846.

The spelling of 126789441 in words is "one hundred twenty-six million, seven hundred eighty-nine thousand, four hundred forty-one".