1325235123400 has 96 divisors (see below), whose sum is σ = 3128043665160. Its totient is φ = 522051747840.

The previous prime is 1325235123383. The next prime is 1325235123413. The reversal of 1325235123400 is 43215325231.

It can be written as a sum of positive squares in 12 ways, for example, as 28629316804 + 1296605806596 = 169202^2 + 1138686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9758364 + ... + 9893236.

Almost surely, 2^{1325235123400} is an apocalyptic number.

1325235123400 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 1325235123400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564021832580).

1325235123400 is an abundant number, since it is smaller than the sum of its proper divisors (1802808541760).

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

1325235123400 is a wasteful number, since it uses less digits than its factorization.

1325235123400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135635 (or 135626 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 1325235123400 in words is "one trillion, three hundred twenty-five billion, two hundred thirty-five million, one hundred twenty-three thousand, four hundred".