126983807 has 8 divisors (see below), whose sum is σ = 127872000. Its totient is φ = 126099064.

The previous prime is 126983803. The next prime is 126983819. The reversal of 126983807 is 708389621.

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 126983807 - 2² = 126983803 is a prime.

It is a super-2 number, since 2×126983807² = 32249774480426498, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126983803) 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, 142718 + ... + 143604.

It is an arithmetic number, because the mean of its divisors is an integer number (15984000).

Almost surely, 2^126983807 is an apocalyptic number.

126983807 is a deficient number, since it is larger than the sum of its proper divisors (888193).

126983807 is an equidigital number, since it uses as much as digits as its factorization.

126983807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 126983807 is about 11268.7091984841. The cubic root of 126983807 is about 502.6312052295.

The spelling of 126983807 in words is "one hundred twenty-six million, nine hundred eighty-three thousand, eight hundred seven".