1040125200 has 120 divisors (see below), whose sum is σ = 3369650400. Its totient is φ = 274222080.

The previous prime is 1040125199. The next prime is 1040125217. The reversal of 1040125200 is 25210401.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1040125200.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 101931 + ... + 111669.

It is an arithmetic number, because the mean of its divisors is an integer number (28080420).

Almost surely, 2^1040125200 is an apocalyptic number.

1040125200 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 1040125200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684825200).

1040125200 is an abundant number, since it is smaller than the sum of its proper divisors (2329525200).

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

1040125200 is a wasteful number, since it uses less digits than its factorization.

1040125200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849 (or 9838 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1040125200 is about 32250.9720783731. The cubic root of 1040125200 is about 1013.2000584572.

Adding to 1040125200 its reverse (25210401), we get a palindrome (1065335601).

The spelling of 1040125200 in words is "one billion, forty million, one hundred twenty-five thousand, two hundred".