126903560128 has 56 divisors (see below), whose sum is σ = 262233643680. Its totient is φ = 60857932800.

The previous prime is 126903560111. The next prime is 126903560143. The reversal of 126903560128 is 821065309621.

It is a super-2 number, since 2×126903560128² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 53850 + ... + 506662.

Almost surely, 2^126903560128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126903560128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131116821840).

126903560128 is an abundant number, since it is smaller than the sum of its proper divisors (135330083552).

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

126903560128 is a wasteful number, since it uses less digits than its factorization.

126903560128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453005 (or 452995 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

Adding to 126903560128 its reverse (821065309621), we get a palindrome (947968869749).

The spelling of 126903560128 in words is "one hundred twenty-six billion, nine hundred three million, five hundred sixty thousand, one hundred twenty-eight".