126001036535 has 8 divisors (see below), whose sum is σ = 164946811536. Its totient is φ = 91637117440.

The previous prime is 126001036531. The next prime is 126001036549. The reversal of 126001036535 is 535630100621.

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

It is not a de Polignac number, because 126001036535 - 2² = 126001036531 is a prime.

It is a super-2 number, since 2×126001036535² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126001036531) 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, 1145463914 + ... + 1145464023.

It is an arithmetic number, because the mean of its divisors is an integer number (20618351442).

Almost surely, 2^126001036535 is an apocalyptic number.

126001036535 is a deficient number, since it is larger than the sum of its proper divisors (38945775001).

126001036535 is a wasteful number, since it uses less digits than its factorization.

126001036535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290927953.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 126001036535 in words is "one hundred twenty-six billion, one million, thirty-six thousand, five hundred thirty-five".