126855911 has 8 divisors (see below), whose sum is σ = 156130464. Its totient is φ = 100369440.

The previous prime is 126855907. The next prime is 126855919. The reversal of 126855911 is 119558621.

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 126855911 - 2² = 126855907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126855919) 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, 696920 + ... + 697101.

It is an arithmetic number, because the mean of its divisors is an integer number (19516308).

Almost surely, 2^126855911 is an apocalyptic number.

126855911 is a deficient number, since it is larger than the sum of its proper divisors (29274553).

126855911 is a wasteful number, since it uses less digits than its factorization.

126855911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394041.

The product of its digits is 21600, while the sum is 38.

The square root of 126855911 is about 11263.0329396659. The cubic root of 126855911 is about 502.4624012527.

The spelling of 126855911 in words is "one hundred twenty-six million, eight hundred fifty-five thousand, nine hundred eleven".