1326125225 has 12 divisors (see below), whose sum is σ = 1645324380. Its totient is φ = 1060300800.

The previous prime is 1326125219. The next prime is 1326125261. The reversal of 1326125225 is 5225216231.

It can be written as a sum of positive squares in 6 ways, for example, as 103713856 + 1222411369 = 10184^2 + 34963^2 .

It is not a de Polignac number, because 1326125225 - 2⁴ = 1326125209 is a prime.

It is a super-2 number, since 2×1326125225² = 3517216224762601250, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 33185 + ... + 61265.

It is an arithmetic number, because the mean of its divisors is an integer number (137110365).

Almost surely, 2^1326125225 is an apocalyptic number.

It is an amenable number.

1326125225 is a deficient number, since it is larger than the sum of its proper divisors (319199155).

1326125225 is a wasteful number, since it uses less digits than its factorization.

1326125225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29980 (or 29975 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1326125225 is about 36416.0023204085. The cubic root of 1326125225 is about 1098.6554439638.

The spelling of 1326125225 in words is "one billion, three hundred twenty-six million, one hundred twenty-five thousand, two hundred twenty-five".