126832643 has 8 divisors (see below), whose sum is σ = 145054560. Its totient is φ = 108636480.

The previous prime is 126832637. The next prime is 126832661. The reversal of 126832643 is 346238621.

It is a Cunningham number, because it is equal to 11262²-1.

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 126832643 - 2⁴ = 126832627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126832613) 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, 5633 + ... + 16893.

It is an arithmetic number, because the mean of its divisors is an integer number (18131820).

Almost surely, 2^126832643 is an apocalyptic number.

126832643 is a deficient number, since it is larger than the sum of its proper divisors (18221917).

126832643 is a wasteful number, since it uses less digits than its factorization.

126832643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12877.

The product of its digits is 41472, while the sum is 35.

The square root of 126832643 is about 11261.9999556029. Note that the first 4 decimals coincide. The cubic root of 126832643 is about 502.4316787058.

The spelling of 126832643 in words is "one hundred twenty-six million, eight hundred thirty-two thousand, six hundred forty-three".