126056811 has 16 divisors (see below), whose sum is σ = 178496640. Its totient is φ = 78906240.

The previous prime is 126056809. The next prime is 126056839. The reversal of 126056811 is 118650621.

It is not a de Polignac number, because 126056811 - 2¹ = 126056809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126056111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3345 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (11156040).

Almost surely, 2^126056811 is an apocalyptic number.

126056811 is a deficient number, since it is larger than the sum of its proper divisors (52439829).

126056811 is a wasteful number, since it uses less digits than its factorization.

126056811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19706.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 126056811 is about 11227.5024382095. The cubic root of 126056811 is about 501.4051288601.

The spelling of 126056811 in words is "one hundred twenty-six million, fifty-six thousand, eight hundred eleven".