126570849 has 8 divisors (see below), whose sum is σ = 168978720. Its totient is φ = 84271776.

The previous prime is 126570841. The next prime is 126570853. The reversal of 126570849 is 948075621.

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

It is not a de Polignac number, because 126570849 - 2³ = 126570841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126570849.

It is not an unprimeable number, because it can be changed into a prime (126570841) 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 7 ways as a sum of consecutive naturals, for example, 24444 + ... + 29165.

It is an arithmetic number, because the mean of its divisors is an integer number (21122340).

Almost surely, 2^126570849 is an apocalyptic number.

It is an amenable number.

126570849 is a deficient number, since it is larger than the sum of its proper divisors (42407871).

126570849 is an equidigital number, since it uses as much as digits as its factorization.

126570849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54399.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 126570849 is about 11250.3710605473. The cubic root of 126570849 is about 502.0857525079.

The spelling of 126570849 in words is "one hundred twenty-six million, five hundred seventy thousand, eight hundred forty-nine".