126740827258 has 8 divisors (see below), whose sum is σ = 190129691700. Its totient is φ = 63364263360.

The previous prime is 126740827217. The next prime is 126740827259. The reversal of 126740827258 is 852728047621.

It can be written as a sum of positive squares in 2 ways, for example, as 126709657369 + 31169889 = 355963^2 + 5583^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126740827259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3049333 + ... + 3090616.

Almost surely, 2^126740827258 is an apocalyptic number.

126740827258 is a deficient number, since it is larger than the sum of its proper divisors (63388864442).

126740827258 is a wasteful number, since it uses less digits than its factorization.

126740827258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150272.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 126740827258 in words is "one hundred twenty-six billion, seven hundred forty million, eight hundred twenty-seven thousand, two hundred fifty-eight".