126898656 has 48 divisors (see below), whose sum is σ = 333704448. Its totient is φ = 42224000.

The previous prime is 126898631. The next prime is 126898669. The reversal of 126898656 is 656898621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×126898656² = 32206537789212672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126898599 and 126898608.

It is a congruent number.

It is an unprimeable number.

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, 86731 + ... + 88181.

It is an arithmetic number, because the mean of its divisors is an integer number (6952176).

Almost surely, 2^126898656 is an apocalyptic number.

126898656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126898656 is an abundant number, since it is smaller than the sum of its proper divisors (206805792).

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

126898656 is a wasteful number, since it uses less digits than its factorization.

126898656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2367 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 126898656 is about 11264.9303593054. The cubic root of 126898656 is about 502.5188310064.

The spelling of 126898656 in words is "one hundred twenty-six million, eight hundred ninety-eight thousand, six hundred fifty-six".