126017056 has 48 divisors (see below), whose sum is σ = 286584480. Its totient is φ = 53908480.

The previous prime is 126017029. The next prime is 126017081. The reversal of 126017056 is 650710621.

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, 4546 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (5970510).

Almost surely, 2^126017056 is an apocalyptic number.

126017056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126017056 is an abundant number, since it is smaller than the sum of its proper divisors (160567424).

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

126017056 is a wasteful number, since it uses less digits than its factorization.

126017056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21097 (or 21089 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 126017056 is about 11225.7318692369. The cubic root of 126017056 is about 501.3524133249.

Adding to 126017056 its reverse (650710621), we get a palindrome (776727677).

The spelling of 126017056 in words is "one hundred twenty-six million, seventeen thousand, fifty-six".