1325860906 has 12 divisors (see below), whose sum is σ = 2112661638. Its totient is φ = 623934272.

The previous prime is 1325860867. The next prime is 1325860927. The reversal of 1325860906 is 6090685231.

It can be written as a sum of positive squares in 3 ways, for example, as 1232641881 + 93219025 = 35109^2 + 9655^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1146361 + ... + 1147516.

Almost surely, 2^1325860906 is an apocalyptic number.

1325860906 is a deficient number, since it is larger than the sum of its proper divisors (786800732).

1325860906 is a wasteful number, since it uses less digits than its factorization.

1325860906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293913 (or 2293896 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1325860906 is about 36412.3729795244. The cubic root of 1325860906 is about 1098.5824456279.

The spelling of 1325860906 in words is "one billion, three hundred twenty-five million, eight hundred sixty thousand, nine hundred six".