1026725130 has 48 divisors (see below), whose sum is σ = 2671067880. Its totient is φ = 273631104.

The previous prime is 1026725123. The next prime is 1026725131. The reversal of 1026725130 is 315276201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 875508921 + 151216209 = 29589^2 + 12297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1026725094 and 1026725103.

It is not an unprimeable number, because it can be changed into a prime (1026725131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288844 + ... + 292376.

Almost surely, 2^1026725130 is an apocalyptic number.

1026725130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026725130 is an abundant number, since it is smaller than the sum of its proper divisors (1644342750).

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

1026725130 is a wasteful number, since it uses less digits than its factorization.

1026725130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775 (or 6772 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1026725130 is about 32042.5518646690. The cubic root of 1026725130 is about 1008.8301751710.

Subtracting from 1026725130 its reverse (315276201), we obtain a square (711448929 = 26673²).

The spelling of 1026725130 in words is "one billion, twenty-six million, seven hundred twenty-five thousand, one hundred thirty".