1325850120 has 320 divisors, whose sum is σ = 5193745920. Its totient is φ = 297063936.

The previous prime is 1325850109. The next prime is 1325850121. The reversal of 1325850120 is 210585231.

It is a happy number.

1325850120 is a `hidden beast` number, since 132 + 5 + 8 + 501 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1325850121) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1201489 + ... + 1202591.

It is an arithmetic number, because the mean of its divisors is an integer number (16230456).

Almost surely, 2^1325850120 is an apocalyptic number.

1325850120 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 1325850120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2596872960).

1325850120 is an abundant number, since it is smaller than the sum of its proper divisors (3867895800).

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

1325850120 is a wasteful number, since it uses less digits than its factorization.

1325850120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1325850120 is about 36412.2248702273. The cubic root of 1325850120 is about 1098.5794665968.

The spelling of 1325850120 in words is "one billion, three hundred twenty-five million, eight hundred fifty thousand, one hundred twenty".