126871776 has 36 divisors (see below), whose sum is σ = 360792432. Its totient is φ = 42290496.

The previous prime is 126871751. The next prime is 126871777. The reversal of 126871776 is 677178621.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126871777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219976 + ... + 220551.

It is an arithmetic number, because the mean of its divisors is an integer number (10022012).

Almost surely, 2^126871776 is an apocalyptic number.

126871776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126871776 is an abundant number, since it is smaller than the sum of its proper divisors (233920656).

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

126871776 is a wasteful number, since it uses less digits than its factorization.

126871776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440543 (or 440532 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 126871776 is about 11263.7372128437. The cubic root of 126871776 is about 502.4833468900.

The spelling of 126871776 in words is "one hundred twenty-six million, eight hundred seventy-one thousand, seven hundred seventy-six".