1026550128 has 80 divisors (see below), whose sum is σ = 2731825152. Its totient is φ = 331968000.

The previous prime is 1026550123. The next prime is 1026550141. The reversal of 1026550128 is 8210556201.

It is a junction number, because it is equal to n+sod(n) for n = 1026550095 and 1026550104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026550123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374523 + ... + 377253.

Almost surely, 2^1026550128 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 1026550128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365912576).

1026550128 is an abundant number, since it is smaller than the sum of its proper divisors (1705275024).

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

1026550128 is a wasteful number, since it uses less digits than its factorization.

1026550128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1026550128 is about 32039.8209732826. The cubic root of 1026550128 is about 1008.7728546267.

The spelling of 1026550128 in words is "one billion, twenty-six million, five hundred fifty thousand, one hundred twenty-eight".