126870 has 16 divisors (see below), whose sum is σ = 304560. Its totient is φ = 33824.

The previous prime is 126859. The next prime is 126913. The reversal of 126870 is 78621.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (19035).

2¹²⁶⁸⁷⁰ is an apocalyptic number.

126870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126870 is an abundant number, since it is smaller than the sum of its proper divisors (177690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126870 is a wasteful number, since it uses less digits than its factorization.

126870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 126870 is about 356.1881525262. The cubic root of 126870 is about 50.2481002227.

The spelling of 126870 in words is "one hundred twenty-six thousand, eight hundred seventy".