126851693 has 8 divisors (see below), whose sum is σ = 133584000. Its totient is φ = 120220848.

The previous prime is 126851689. The next prime is 126851717. The reversal of 126851693 is 396158621.

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

It is a cyclic number.

It is not a de Polignac number, because 126851693 - 2² = 126851689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126851693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126851633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22793 + ... + 27806.

It is an arithmetic number, because the mean of its divisors is an integer number (16698000).

Almost surely, 2^126851693 is an apocalyptic number.

It is an amenable number.

126851693 is a deficient number, since it is larger than the sum of its proper divisors (6732307).

126851693 is a wasteful number, since it uses less digits than its factorization.

126851693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50731.

The product of its digits is 77760, while the sum is 41.

The square root of 126851693 is about 11262.8456883685. The cubic root of 126851693 is about 502.4568321786.

The spelling of 126851693 in words is "one hundred twenty-six million, eight hundred fifty-one thousand, six hundred ninety-three".