126851849 has 8 divisors (see below), whose sum is σ = 130027392. Its totient is φ = 123686640.

The previous prime is 126851839. The next prime is 126851861. The reversal of 126851849 is 948158621.

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 126851849 - 2⁴ = 126851833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126851819) 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, 26192 + ... + 30654.

It is an arithmetic number, because the mean of its divisors is an integer number (16253424).

Almost surely, 2^126851849 is an apocalyptic number.

It is an amenable number.

126851849 is a deficient number, since it is larger than the sum of its proper divisors (3175543).

126851849 is an equidigital number, since it uses as much as digits as its factorization.

126851849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5167.

The product of its digits is 138240, while the sum is 44.

The square root of 126851849 is about 11262.8526137919. The cubic root of 126851849 is about 502.4570381494.

The spelling of 126851849 in words is "one hundred twenty-six million, eight hundred fifty-one thousand, eight hundred forty-nine".