1011130625 has 10 divisors (see below), whose sum is σ = 1263509610. Its totient is φ = 808904000.

The previous prime is 1011130609. The next prime is 1011130649. The reversal of 1011130625 is 5260311101.

It can be written as a sum of positive squares in 5 ways, for example, as 590101264 + 421029361 = 24292^2 + 20519^2 .

It is not a de Polignac number, because 1011130625 - 2⁴ = 1011130609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011130597 and 1011130606.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 808280 + ... + 809529.

It is an arithmetic number, because the mean of its divisors is an integer number (126350961).

Almost surely, 2^1011130625 is an apocalyptic number.

It is an amenable number.

1011130625 is a deficient number, since it is larger than the sum of its proper divisors (252378985).

1011130625 is an frugal number, since it uses more digits than its factorization.

1011130625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617829 (or 1617814 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1011130625 is about 31798.2802207918. The cubic root of 1011130625 is about 1003.6965271833.

Adding to 1011130625 its reverse (5260311101), we get a palindrome (6271441726).

The spelling of 1011130625 in words is "one billion, eleven million, one hundred thirty thousand, six hundred twenty-five".