126224986568 has 36 divisors (see below), whose sum is σ = 240864361665. Its totient is φ = 62013648256.

The previous prime is 126224986567. The next prime is 126224986577. The reversal of 126224986568 is 865689422621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 117990876004 + 8234110564 = 343498^2 + 90742^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=251222.

It is a super-3 number, since 3×126224986568³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126224986561) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59287328 + ... + 59289456.

Almost surely, 2^126224986568 is an apocalyptic number.

It is an amenable number.

126224986568 is a deficient number, since it is larger than the sum of its proper divisors (114639375097).

126224986568 is an frugal number, since it uses more digits than its factorization.

126224986568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 2190 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 126224986568 in words is "one hundred twenty-six billion, two hundred twenty-four million, nine hundred eighty-six thousand, five hundred sixty-eight".