1022501125 has 16 divisors (see below), whose sum is σ = 1351147824. Its totient is φ = 769881600.

The previous prime is 1022501113. The next prime is 1022501141. The reversal of 1022501125 is 5211052201.

It can be written as a sum of positive squares in 8 ways, for example, as 447364801 + 575136324 = 21151^2 + 23982^2 .

It is not a de Polignac number, because 1022501125 - 2⁹ = 1022500613 is a prime.

It is a super-3 number, since 3×1022501125³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238464 + ... + 242713.

It is an arithmetic number, because the mean of its divisors is an integer number (84446739).

Almost surely, 2^1022501125 is an apocalyptic number.

It is an amenable number.

1022501125 is a deficient number, since it is larger than the sum of its proper divisors (328646699).

1022501125 is an equidigital number, since it uses as much as digits as its factorization.

1022501125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481209 (or 481199 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1022501125 is about 31976.5715016479. The cubic root of 1022501125 is about 1007.4448122274. Note that the first 3 decimals are identical.

Adding to 1022501125 its reverse (5211052201), we get a palindrome (6233553326).

The spelling of 1022501125 in words is "one billion, twenty-two million, five hundred one thousand, one hundred twenty-five".