1040125000 has 112 divisors (see below), whose sum is σ = 2499577380. Its totient is φ = 405600000.

The previous prime is 1040124997. The next prime is 1040125001. The reversal of 1040125000 is 5210401.

It can be written as a sum of positive squares in 14 ways, for example, as 905889604 + 134235396 = 30098^2 + 11586^2 .

It is not an unprimeable number, because it can be changed into a prime (1040125001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6624922 + ... + 6625078.

Almost surely, 2^1040125000 is an apocalyptic number.

1040125000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249788690).

1040125000 is an abundant number, since it is smaller than the sum of its proper divisors (1459452380).

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

1040125000 is an frugal number, since it uses more digits than its factorization.

1040125000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1040125000 is about 32250.9689776912. The cubic root of 1040125000 is about 1013.1999935163.

Adding to 1040125000 its reverse (5210401), we get a palindrome (1045335401).

The spelling of 1040125000 in words is "one billion, forty million, one hundred twenty-five thousand".