126887028 has 24 divisors (see below), whose sum is σ = 302370432. Its totient is φ = 41395584.

The previous prime is 126887003. The next prime is 126887029. The reversal of 126887028 is 820788621.

It is a super-2 number, since 2×126887028² = 32200635749345568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126887029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111925 + ... + 113052.

It is an arithmetic number, because the mean of its divisors is an integer number (12598768).

Almost surely, 2^126887028 is an apocalyptic number.

It is an amenable number.

126887028 is an abundant number, since it is smaller than the sum of its proper divisors (175483404).

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

126887028 is a wasteful number, since it uses less digits than its factorization.

126887028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225031 (or 225029 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 126887028 is about 11264.4142324401. The cubic root of 126887028 is about 502.5034815729.

The spelling of 126887028 in words is "one hundred twenty-six million, eight hundred eighty-seven thousand, twenty-eight".