126887216 has 40 divisors (see below), whose sum is σ = 259221504. Its totient is φ = 60079680.

The previous prime is 126887207. The next prime is 126887231. The reversal of 126887216 is 612788621.

It is a super-2 number, since 2×126887216² = 32200731168461312, which contains 22 as substring.

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, 20591 + ... + 26033.

Almost surely, 2^126887216 is an apocalyptic number.

126887216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126887216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129610752).

126887216 is an abundant number, since it is smaller than the sum of its proper divisors (132334288).

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

126887216 is a wasteful number, since it uses less digits than its factorization.

126887216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529 (or 5523 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 126887216 is about 11264.4225773006. The cubic root of 126887216 is about 502.5037297480.

The spelling of 126887216 in words is "one hundred twenty-six million, eight hundred eighty-seven thousand, two hundred sixteen".