126534057 has 8 divisors (see below), whose sum is σ = 181689984. Its totient is φ = 77867088.

The previous prime is 126534049. The next prime is 126534061. The reversal of 126534057 is 750435621.

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

It is not a de Polignac number, because 126534057 - 2³ = 126534049 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (126534007) 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, 1622193 + ... + 1622270.

It is an arithmetic number, because the mean of its divisors is an integer number (22711248).

Almost surely, 2^126534057 is an apocalyptic number.

It is an amenable number.

126534057 is a deficient number, since it is larger than the sum of its proper divisors (55155927).

126534057 is a wasteful number, since it uses less digits than its factorization.

126534057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244479.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 126534057 is about 11248.7357956350. The cubic root of 126534057 is about 502.0370985212.

Adding to 126534057 its reverse (750435621), we get a palindrome (876969678).

The spelling of 126534057 in words is "one hundred twenty-six million, five hundred thirty-four thousand, fifty-seven".