126887328 has 36 divisors (see below), whose sum is σ = 360836658. Its totient is φ = 42295680.

The previous prime is 126887323. The next prime is 126887429. The reversal of 126887328 is 823788621.

It can be written as a sum of positive squares in only one way, i.e., 101364624 + 25522704 = 10068^2 + 5052^2 .

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

It is a super-2 number, since 2×126887328² = 32200788013959168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126887323) 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, 220003 + ... + 220578.

Almost surely, 2^126887328 is an apocalyptic number.

126887328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126887328 is an abundant number, since it is smaller than the sum of its proper divisors (233949330).

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

126887328 is a wasteful number, since it uses less digits than its factorization.

126887328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440597 (or 440586 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 126887328 is about 11264.4275487039. The cubic root of 126887328 is about 502.5038775969.

The spelling of 126887328 in words is "one hundred twenty-six million, eight hundred eighty-seven thousand, three hundred twenty-eight".